90658752 has 56 divisors (see below), whose sum is σ = 241554000. Its totient is φ = 30007296.

The previous prime is 90658721. The next prime is 90658759. The reversal of 90658752 is 25785609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90658759) 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, 27024 + ... + 30192.

Almost surely, 2^90658752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90658752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120777000).

90658752 is an abundant number, since it is smaller than the sum of its proper divisors (150895248).

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

90658752 is a wasteful number, since it uses less digits than its factorization.

90658752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333 (or 3323 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 90658752 is about 9521.4889591912. The cubic root of 90658752 is about 449.2312008791.

The spelling of 90658752 in words is "ninety million, six hundred fifty-eight thousand, seven hundred fifty-two".