90299975 has 12 divisors (see below), whose sum is σ = 113021784. Its totient is φ = 71562720.

The previous prime is 90299941. The next prime is 90299981. The reversal of 90299975 is 57999209.

It is not a de Polignac number, because 90299975 - 2²² = 86105671 is a prime.

It is a Duffinian number.

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, 14204 + ... + 19553.

It is an arithmetic number, because the mean of its divisors is an integer number (9418482).

Almost surely, 2^90299975 is an apocalyptic number.

90299975 is a deficient number, since it is larger than the sum of its proper divisors (22721809).

90299975 is a wasteful number, since it uses less digits than its factorization.

90299975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33874 (or 33869 counting only the distinct ones).

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 90299975 is about 9502.6298991384. The cubic root of 90299975 is about 448.6378148763.

The spelling of 90299975 in words is "ninety million, two hundred ninety-nine thousand, nine hundred seventy-five".