90764 has 6 divisors (see below), whose sum is σ = 158844. Its totient is φ = 45380.

The previous prime is 90749. The next prime is 90787. The reversal of 90764 is 46709.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11342 + ... + 11349.

It is an arithmetic number, because the mean of its divisors is an integer number (26474).

2⁹⁰⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

90764 is a deficient number, since it is larger than the sum of its proper divisors (68080).

90764 is a wasteful number, since it uses less digits than its factorization.

90764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22695 (or 22693 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90764 is about 301.2706424463. The cubic root of 90764 is about 44.9404974875.

The spelling of 90764 in words is "ninety thousand, seven hundred sixty-four".