90767975 has 12 divisors (see below), whose sum is σ = 113147520. Its totient is φ = 72230400.

The previous prime is 90767933. The next prime is 90767983. The reversal of 90767975 is 57976709.

It is not a de Polignac number, because 90767975 - 2¹⁶ = 90702439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4730 + ... + 14279.

It is an arithmetic number, because the mean of its divisors is an integer number (9428960).

Almost surely, 2^90767975 is an apocalyptic number.

90767975 is a deficient number, since it is larger than the sum of its proper divisors (22379545).

90767975 is a wasteful number, since it uses less digits than its factorization.

90767975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19210 (or 19205 counting only the distinct ones).

The product of its (nonzero) digits is 833490, while the sum is 50.

The square root of 90767975 is about 9527.2228377424. Note that the first 3 decimals coincide. The cubic root of 90767975 is about 449.4115353274.

The spelling of 90767975 in words is "ninety million, seven hundred sixty-seven thousand, nine hundred seventy-five".