90118756 has 24 divisors (see below), whose sum is σ = 194102720. Its totient is φ = 35651232.

The previous prime is 90118753. The next prime is 90118759. The reversal of 90118756 is 65781109.

It is an interprime number because it is at equal distance from previous prime (90118753) and next prime (90118759).

It is not an unprimeable number, because it can be changed into a prime (90118753) 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, 123426 + ... + 124153.

Almost surely, 2^90118756 is an apocalyptic number.

It is an amenable number.

90118756 is an abundant number, since it is smaller than the sum of its proper divisors (103983964).

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

90118756 is a wasteful number, since it uses less digits than its factorization.

90118756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247603 (or 247601 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 90118756 is about 9493.0899079278. The cubic root of 90118756 is about 448.3374968020.

The spelling of 90118756 in words is "ninety million, one hundred eighteen thousand, seven hundred fifty-six".