97392728 has 16 divisors (see below), whose sum is σ = 193353480. Its totient is φ = 45831808.

The previous prime is 97392719. The next prime is 97392733. The reversal of 97392728 is 82729379.

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, 357926 + ... + 358197.

Almost surely, 2^97392728 is an apocalyptic number.

It is an amenable number.

97392728 is a deficient number, since it is larger than the sum of its proper divisors (95960752).

97392728 is a wasteful number, since it uses less digits than its factorization.

97392728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716146 (or 716142 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 97392728 is about 9868.7754052871. The cubic root of 97392728 is about 460.0893462242.

The spelling of 97392728 in words is "ninety-seven million, three hundred ninety-two thousand, seven hundred twenty-eight".