90723264 has 56 divisors (see below), whose sum is σ = 241938048. Its totient is φ = 30001920.

The previous prime is 90723263. The next prime is 90723289. The reversal of 90723264 is 46232709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90723263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23349 + ... + 26955.

Almost surely, 2^90723264 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 90723264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120969024).

90723264 is an abundant number, since it is smaller than the sum of its proper divisors (151214784).

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

90723264 is a wasteful number, since it uses less digits than its factorization.

90723264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 90723264 is about 9524.8760621858. The cubic root of 90723264 is about 449.3377319867.

The spelling of 90723264 in words is "ninety million, seven hundred twenty-three thousand, two hundred sixty-four".