9172975 has 48 divisors (see below), whose sum is σ = 14141952. Its totient is φ = 5765760.

The previous prime is 9172967. The next prime is 9172981. The reversal of 9172975 is 5792719.

It is not a de Polignac number, because 9172975 - 2³ = 9172967 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 47 ways as a sum of consecutive naturals, for example, 173049 + ... + 173101.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

Almost surely, 2^9172975 is an apocalyptic number.

9172975 is a deficient number, since it is larger than the sum of its proper divisors (4968977).

9172975 is a wasteful number, since it uses less digits than its factorization.

9172975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 131 counting only the distinct ones).

The product of its digits is 39690, while the sum is 40.

The square root of 9172975 is about 3028.6919618872. The cubic root of 9172975 is about 209.3325368702.

The spelling of 9172975 in words is "nine million, one hundred seventy-two thousand, nine hundred seventy-five".