97919572 has 12 divisors (see below), whose sum is σ = 173707156. Its totient is φ = 48288960.

The previous prime is 97919561. The next prime is 97919581. The reversal of 97919572 is 27591979.

It can be written as a sum of positive squares in 2 ways, for example, as 84713616 + 13205956 = 9204^2 + 3634^2 .

It is a congruent number.

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, 167379 + ... + 167962.

Almost surely, 2^97919572 is an apocalyptic number.

It is an amenable number.

97919572 is a deficient number, since it is larger than the sum of its proper divisors (75787584).

97919572 is a wasteful number, since it uses less digits than its factorization.

97919572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335418 (or 335416 counting only the distinct ones).

The product of its digits is 357210, while the sum is 49.

The square root of 97919572 is about 9895.4318753655. The cubic root of 97919572 is about 460.9174694588.

The spelling of 97919572 in words is "ninety-seven million, nine hundred nineteen thousand, five hundred seventy-two".