97730572 has 12 divisors (see below), whose sum is σ = 175006216. Its totient is φ = 47728800.

The previous prime is 97730557. The next prime is 97730587. The reversal of 97730572 is 27503779.

It is an interprime number because it is at equal distance from previous prime (97730557) and next prime (97730587).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283929 + ... + 284272.

Almost surely, 2^97730572 is an apocalyptic number.

It is an amenable number.

97730572 is a deficient number, since it is larger than the sum of its proper divisors (77275644).

97730572 is a wasteful number, since it uses less digits than its factorization.

97730572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568248 (or 568246 counting only the distinct ones).

The product of its (nonzero) digits is 92610, while the sum is 40.

The square root of 97730572 is about 9885.8774016270. The cubic root of 97730572 is about 460.6207309975.

The spelling of 97730572 in words is "ninety-seven million, seven hundred thirty thousand, five hundred seventy-two".