9772172 has 12 divisors (see below), whose sum is σ = 17204880. Its totient is φ = 4856496.

The previous prime is 9772163. The next prime is 9772187. The reversal of 9772172 is 2712779.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647 + ... + 7982.

It is an arithmetic number, because the mean of its divisors is an integer number (1433740).

Almost surely, 2^9772172 is an apocalyptic number.

It is an amenable number.

9772172 is a deficient number, since it is larger than the sum of its proper divisors (7432708).

9772172 is a wasteful number, since it uses less digits than its factorization.

9772172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14800 (or 14798 counting only the distinct ones).

The product of its digits is 12348, while the sum is 35.

The square root of 9772172 is about 3126.0473444911. The cubic root of 9772172 is about 213.7947489043.

The spelling of 9772172 in words is "nine million, seven hundred seventy-two thousand, one hundred seventy-two".