90564976 has 20 divisors (see below), whose sum is σ = 177444000. Its totient is φ = 44772992.

The previous prime is 90564959. The next prime is 90564989. The reversal of 90564976 is 67946509.

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, 30376 + ... + 33223.

It is an arithmetic number, because the mean of its divisors is an integer number (8872200).

Almost surely, 2^90564976 is an apocalyptic number.

It is an amenable number.

90564976 is a deficient number, since it is larger than the sum of its proper divisors (86879024).

90564976 is a wasteful number, since it uses less digits than its factorization.

90564976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63696 (or 63690 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 90564976 is about 9516.5632452057. The cubic root of 90564976 is about 449.0762548582.

The spelling of 90564976 in words is "ninety million, five hundred sixty-four thousand, nine hundred seventy-six".