74 (number)

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← 73 74 75 →
Cardinalseventy-four
Ordinal74th
(seventy-fourth)
Factorization2 × 37
Divisors1, 2, 37, 74
Greek numeralΟΔ´
Roman numeralLXXIV
Binary10010102
Ternary22023
Senary2026
Octal1128
Duodecimal6212
Hexadecimal4A16

74 (seventy-four) is the natural number following 73 and preceding 75.

A seventy-four was a third-rate warship with 74 guns.

In mathematics

74 is the twenty-first distinct semiprime and the eleventh of the form 2×q. The aliquot sum of 74 is 40 within the aliquot sequence (74,40,43,1,0) 74 being the sixth composite number in the 43-aliquot tree.

74 is a nontotient. There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.

In science

In astronomy,

Messier object M74, a magnitude 10.5 spiral galaxy in the constellation Pisces.
The New General Catalogue object NGC 74, a galaxy in the constellation Andromeda.
The Saros number of the solar eclipse series which began on -615 August 8 and ended on 719 October 18. The duration of Saros series 74 was 1334.2 years, and it contained 75 solar eclipses.
The Saros number of the lunar eclipse series which began on -331 May 7 and ended on 949 June 13. The duration of Saros series 74 was 1280.1 years, and it contained 72 lunar eclipses.
74% of this universe's elemental mass is hydrogen. 74% of the Sun's mass is hydrogen.
~74% of Earth's surface is water. ~74% of the human heart and muscles is water.
Women's average heartbeat rate is 74 beats per minute.

In gematria

In certain alphanumeric systems based on the English alphabet - gematria - the number 74 is associated with Jesus Christ. Jesus=74=J10+E5+S19+U21+S19. Coincidentally, the term Lucifer - 'the light-bearer' - also equals 74 in this English-based gematria system. Lucifer=74=L12+U21+C3+I9+F6+E5+R18.

In sports

Moto GP

  • Daijiro Kato, former Moto GP rider who died during a crash in 2003 at the Suzuka Circuit in Japan, wore number 74. During the following race, most of his colleagues wore the number on their leathers to honor their friend. Kato's teammate, Sete Gibernau has kept on using the number.

Horse racing

In music

Rock & Roll

Avant Guard

In bus routes

In the Merseyside, England, Seventy-four is the bus route that runs from Halewood to Liverpool Town Centre.

In Chicago, "74" is the Fullerton bus which runs from Lincoln Park to Belmont Cragin.

In other fields

74 is also: