90730375 has 16 divisors (see below), whose sum is σ = 113742720. Its totient is φ = 72256800.

The previous prime is 90730337. The next prime is 90730391. The reversal of 90730375 is 57303709.

It is not a de Polignac number, because 90730375 - 2²³ = 82341767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90730375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28357 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (7108920).

Almost surely, 2^90730375 is an apocalyptic number.

90730375 is a deficient number, since it is larger than the sum of its proper divisors (23012345).

90730375 is a wasteful number, since it uses less digits than its factorization.

90730375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 34.

The square root of 90730375 is about 9525.2493405685. The cubic root of 90730375 is about 449.3494715597.

The spelling of 90730375 in words is "ninety million, seven hundred thirty thousand, three hundred seventy-five".