90663576 has 32 divisors (see below), whose sum is σ = 227450160. Its totient is φ = 30115712.

The previous prime is 90663557. The next prime is 90663577. The reversal of 90663576 is 67536609.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90663577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586 + ... + 13478.

Almost surely, 2^90663576 is an apocalyptic number.

It is an amenable number.

90663576 is an abundant number, since it is smaller than the sum of its proper divisors (136786584).

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

90663576 is a wasteful number, since it uses less digits than its factorization.

90663576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195 (or 13191 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 42.

The square root of 90663576 is about 9521.7422775456. The cubic root of 90663576 is about 449.2391686809.

The spelling of 90663576 in words is "ninety million, six hundred sixty-three thousand, five hundred seventy-six".