97072660 has 24 divisors (see below), whose sum is σ = 204827616. Its totient is φ = 38643360.

The previous prime is 97072643. The next prime is 97072681. The reversal of 97072660 is 6627079.

It is a congruent number.

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, 7282 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (8534484).

Almost surely, 2^97072660 is an apocalyptic number.

It is an amenable number.

97072660 is an abundant number, since it is smaller than the sum of its proper divisors (107754956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97072660 is a wasteful number, since it uses less digits than its factorization.

97072660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23223 (or 23221 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 97072660 is about 9852.5458638872. The cubic root of 97072660 is about 459.5847860049.

The spelling of 97072660 in words is "ninety-seven million, seventy-two thousand, six hundred sixty".