90204672 has 40 divisors (see below), whose sum is σ = 240314976. Its totient is φ = 30067712.

The previous prime is 90204629. The next prime is 90204677. The reversal of 90204672 is 27640209.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90204677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27828 + ... + 30899.

Almost surely, 2^90204672 is an apocalyptic number.

It is an amenable number.

90204672 is an abundant number, since it is smaller than the sum of its proper divisors (150110304).

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

90204672 is an equidigital number, since it uses as much as digits as its factorization.

90204672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58748 (or 58732 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 90204672 is about 9497.6140161622. The cubic root of 90204672 is about 448.4799278621.

The spelling of 90204672 in words is "ninety million, two hundred four thousand, six hundred seventy-two".