74990516 has 12 divisors (see below), whose sum is σ = 131389188. Its totient is φ = 37450752.

The previous prime is 74990477. The next prime is 74990537. The reversal of 74990516 is 61509947.

It can be written as a sum of positive squares in 2 ways, for example, as 32035600 + 42954916 = 5660^2 + 6554^2 .

It is a congruent number.

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, 7181 + ... + 14196.

It is an arithmetic number, because the mean of its divisors is an integer number (10949099).

Almost surely, 2^74990516 is an apocalyptic number.

It is an amenable number.

74990516 is a deficient number, since it is larger than the sum of its proper divisors (56398672).

74990516 is a wasteful number, since it uses less digits than its factorization.

74990516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22258 (or 22256 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 74990516 is about 8659.7064615378. The cubic root of 74990516 is about 421.6985560896.

The spelling of 74990516 in words is "seventy-four million, nine hundred ninety thousand, five hundred sixteen".