97272172 has 72 divisors (see below), whose sum is σ = 193560192. Its totient is φ = 42681600.

The previous prime is 97272169. The next prime is 97272199. The reversal of 97272172 is 27127279.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1835298 + ... + 1835350.

It is an arithmetic number, because the mean of its divisors is an integer number (2688336).

Almost surely, 2^97272172 is an apocalyptic number.

It is an amenable number.

97272172 is a deficient number, since it is larger than the sum of its proper divisors (96288020).

97272172 is a wasteful number, since it uses less digits than its factorization.

97272172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 146 counting only the distinct ones).

The product of its digits is 24696, while the sum is 37.

The square root of 97272172 is about 9862.6655626154. The cubic root of 97272172 is about 459.8994298097.

The spelling of 97272172 in words is "ninety-seven million, two hundred seventy-two thousand, one hundred seventy-two".