90770736 has 60 divisors (see below), whose sum is σ = 272782392. Its totient is φ = 25933824.

The previous prime is 90770699. The next prime is 90770737. The reversal of 90770736 is 63707709.

It is a junction number, because it is equal to n+sod(n) for n = 90770694 and 90770703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90770737) 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 11 ways as a sum of consecutive naturals, for example, 16945 + ... + 21648.

Almost surely, 2^90770736 is an apocalyptic number.

It is an amenable number.

90770736 is an abundant number, since it is smaller than the sum of its proper divisors (182011656).

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

90770736 is a wasteful number, since it uses less digits than its factorization.

90770736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38618 (or 38605 counting only the distinct ones).

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 90770736 is about 9527.3677372084. The cubic root of 90770736 is about 449.4160920471.

The spelling of 90770736 in words is "ninety million, seven hundred seventy thousand, seven hundred thirty-six".