90764624 has 20 divisors (see below), whose sum is σ = 183503136. Its totient is φ = 43408992.

The previous prime is 90764599. The next prime is 90764629. The reversal of 90764624 is 42646709.

It is a super-2 number, since 2×90764624² = 16476433939722752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90764629) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 122954 + ... + 123689.

Almost surely, 2^90764624 is an apocalyptic number.

It is an amenable number.

90764624 is an abundant number, since it is smaller than the sum of its proper divisors (92738512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90764624 is a wasteful number, since it uses less digits than its factorization.

90764624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246674 (or 246668 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 90764624 is about 9527.0469716487. The cubic root of 90764624 is about 449.4060047549.

The spelling of 90764624 in words is "ninety million, seven hundred sixty-four thousand, six hundred twenty-four".