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74490536 = 2315715927
BaseRepresentation
bin1000111000010…
…10001010101000
312012011111210202
410130022022220
5123032144121
611220331332
71563105401
oct434121250
9165144722
1074490536
113905892a
1220b43b48
1312581753
149c709a8
15681640b
hex470a2a8

74490536 has 16 divisors (see below), whose sum is σ = 139782240. Its totient is φ = 37215280.

The previous prime is 74490529. The next prime is 74490541. The reversal of 74490536 is 63509447.

It is a super-3 number, since 3×744905363 (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74490536.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9605 + ... + 15531.

It is an arithmetic number, because the mean of its divisors is an integer number (8736390).

Almost surely, 274490536 is an apocalyptic number.

It is an amenable number.

74490536 is a deficient number, since it is larger than the sum of its proper divisors (65291704).

74490536 is a wasteful number, since it uses less digits than its factorization.

74490536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7504 (or 7500 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 74490536 is about 8630.7899986038. The cubic root of 74490536 is about 420.7592765894.

The spelling of 74490536 in words is "seventy-four million, four hundred ninety thousand, five hundred thirty-six".

Divisors: 1 2 4 8 1571 3142 5927 6284 11854 12568 23708 47416 9311317 18622634 37245268 74490536