97665372 has 48 divisors (see below), whose sum is σ = 289381120. Its totient is φ = 27904176.

The previous prime is 97665371. The next prime is 97665433. The reversal of 97665372 is 27356679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97665371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63838 + ... + 65349.

Almost surely, 2^97665372 is an apocalyptic number.

It is an amenable number.

97665372 is an abundant number, since it is smaller than the sum of its proper divisors (191715748).

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

97665372 is a wasteful number, since it uses less digits than its factorization.

97665372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129207 (or 129199 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 97665372 is about 9882.5792179977. The cubic root of 97665372 is about 460.5182753307.

The spelling of 97665372 in words is "ninety-seven million, six hundred sixty-five thousand, three hundred seventy-two".