90257752 has 32 divisors (see below), whose sum is σ = 191847600. Its totient is φ = 39464064.

The previous prime is 90257749. The next prime is 90257753. The reversal of 90257752 is 25775209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90257753) 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, 20863 + ... + 24814.

Almost surely, 2^90257752 is an apocalyptic number.

It is an amenable number.

90257752 is an abundant number, since it is smaller than the sum of its proper divisors (101589848).

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

90257752 is a wasteful number, since it uses less digits than its factorization.

90257752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45715 (or 45711 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 90257752 is about 9500.4079912391. The cubic root of 90257752 is about 448.5678783945.

The spelling of 90257752 in words is "ninety million, two hundred fifty-seven thousand, seven hundred fifty-two".