90372108 has 24 divisors (see below), whose sum is σ = 211750000. Its totient is φ = 29998080.

The previous prime is 90372071. The next prime is 90372109. The reversal of 90372108 is 80127309.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (90372109) 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, 12733 + ... + 18516.

Almost surely, 2^90372108 is an apocalyptic number.

It is an amenable number.

90372108 is an abundant number, since it is smaller than the sum of its proper divisors (121377892).

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

90372108 is a wasteful number, since it uses less digits than its factorization.

90372108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31497 (or 31495 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 90372108 is about 9506.4245644722. The cubic root of 90372108 is about 448.7572426626.

The spelling of 90372108 in words is "ninety million, three hundred seventy-two thousand, one hundred eight".