90459572 has 24 divisors (see below), whose sum is σ = 181177920. Its totient is φ = 38712960.

The previous prime is 90459563. The next prime is 90459599. The reversal of 90459572 is 27595409.

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 in 7 ways as a sum of consecutive naturals, for example, 22172 + ... + 25932.

It is an arithmetic number, because the mean of its divisors is an integer number (7549080).

Almost surely, 2^90459572 is an apocalyptic number.

It is an amenable number.

90459572 is an abundant number, since it is smaller than the sum of its proper divisors (90718348).

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

90459572 is a wasteful number, since it uses less digits than its factorization.

90459572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631 (or 4629 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 90459572 is about 9511.0237093596. The cubic root of 90459572 is about 448.9019681714.

The spelling of 90459572 in words is "ninety million, four hundred fifty-nine thousand, five hundred seventy-two".