90970764 has 24 divisors (see below), whose sum is σ = 215746608. Its totient is φ = 29826240.

The previous prime is 90970741. The next prime is 90970769. The reversal of 90970764 is 46707909.

It is not an unprimeable number, because it can be changed into a prime (90970769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61407 + ... + 62870.

It is an arithmetic number, because the mean of its divisors is an integer number (8989442).

Almost surely, 2^90970764 is an apocalyptic number.

It is an amenable number.

90970764 is an abundant number, since it is smaller than the sum of its proper divisors (124775844).

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

90970764 is a wasteful number, since it uses less digits than its factorization.

90970764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124345 (or 124343 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 90970764 is about 9537.8595082964. The cubic root of 90970764 is about 449.7459702047.

The spelling of 90970764 in words is "ninety million, nine hundred seventy thousand, seven hundred sixty-four".