74900816 has 10 divisors (see below), whose sum is σ = 145120362. Its totient is φ = 37450400.

The previous prime is 74900803. The next prime is 74900843. The reversal of 74900816 is 61800947.

It can be written as a sum of positive squares in only one way, i.e., 45697600 + 29203216 = 6760^2 + 5404^2 .

It is a super-2 number, since 2×74900816² = 11220264474931712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2340635 + ... + 2340666.

Almost surely, 2^74900816 is an apocalyptic number.

It is an amenable number.

74900816 is a deficient number, since it is larger than the sum of its proper divisors (70219546).

74900816 is a wasteful number, since it uses less digits than its factorization.

74900816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4681309 (or 4681303 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 74900816 is about 8654.5257524604. The cubic root of 74900816 is about 421.5303505860.

The spelling of 74900816 in words is "seventy-four million, nine hundred thousand, eight hundred sixteen".