97726568 has 8 divisors (see below), whose sum is σ = 183237330. Its totient is φ = 48863280.

The previous prime is 97726547. The next prime is 97726579. The reversal of 97726568 is 86562779.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 43586404 = 7358^2 + 6602^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107903 + ... + 6107918.

Almost surely, 2^97726568 is an apocalyptic number.

It is an amenable number.

97726568 is a deficient number, since it is larger than the sum of its proper divisors (85510762).

97726568 is a wasteful number, since it uses less digits than its factorization.

97726568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215827 (or 12215823 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 97726568 is about 9885.6748884434. The cubic root of 97726568 is about 460.6144404016.

The spelling of 97726568 in words is "ninety-seven million, seven hundred twenty-six thousand, five hundred sixty-eight".