97764172 has 24 divisors (see below), whose sum is σ = 191196432. Its totient is φ = 43353600.

The previous prime is 97764169. The next prime is 97764181. The reversal of 97764172 is 27146779.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25293 + ... + 28900.

It is an arithmetic number, because the mean of its divisors is an integer number (7966518).

Almost surely, 2^97764172 is an apocalyptic number.

It is an amenable number.

97764172 is a deficient number, since it is larger than the sum of its proper divisors (93432260).

97764172 is a wasteful number, since it uses less digits than its factorization.

97764172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54249 (or 54247 counting only the distinct ones).

The product of its digits is 148176, while the sum is 43.

The square root of 97764172 is about 9887.5766495133. The cubic root of 97764172 is about 460.6735124452.

The spelling of 97764172 in words is "ninety-seven million, seven hundred sixty-four thousand, one hundred seventy-two".