9642172 has 12 divisors (see below), whose sum is σ = 16924600. Its totient is φ = 4806576.

The previous prime is 9642161. The next prime is 9642173. The reversal of 9642172 is 2712469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9642173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2058 + ... + 4849.

Almost surely, 2^9642172 is an apocalyptic number.

It is an amenable number.

9642172 is a deficient number, since it is larger than the sum of its proper divisors (7282428).

9642172 is a wasteful number, since it uses less digits than its factorization.

9642172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7260 (or 7258 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 9642172 is about 3105.1846966002. The cubic root of 9642172 is about 212.8424706062.

It can be divided in two parts, 964 and 2172, that added together give a square (3136 = 56²).

The spelling of 9642172 in words is "nine million, six hundred forty-two thousand, one hundred seventy-two".