90836756 has 12 divisors (see below), whose sum is σ = 159625620. Its totient is φ = 45229440.

The previous prime is 90836749. The next prime is 90836773. The reversal of 90836756 is 65763809.

It can be written as a sum of positive squares in 2 ways, for example, as 74304400 + 16532356 = 8620^2 + 4066^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46151 + ... + 48078.

It is an arithmetic number, because the mean of its divisors is an integer number (13302135).

Almost surely, 2^90836756 is an apocalyptic number.

It is an amenable number.

90836756 is a deficient number, since it is larger than the sum of its proper divisors (68788864).

90836756 is a wasteful number, since it uses less digits than its factorization.

90836756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94474 (or 94472 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 90836756 is about 9530.8318629593. The cubic root of 90836756 is about 449.5250231161.

The spelling of 90836756 in words is "ninety million, eight hundred thirty-six thousand, seven hundred fifty-six".