90765204 has 48 divisors (see below), whose sum is σ = 223944000. Its totient is φ = 28532736.

The previous prime is 90765197. The next prime is 90765209. The reversal of 90765204 is 40256709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90765209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57822 + ... + 59370.

It is an arithmetic number, because the mean of its divisors is an integer number (4665500).

Almost surely, 2^90765204 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 90765204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111972000).

90765204 is an abundant number, since it is smaller than the sum of its proper divisors (133178796).

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

90765204 is a wasteful number, since it uses less digits than its factorization.

90765204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 90765204 is about 9527.0774112526. The cubic root of 90765204 is about 449.4069620109.

The spelling of 90765204 in words is "ninety million, seven hundred sixty-five thousand, two hundred four".