97072506 has 20 divisors (see below), whose sum is σ = 217514682. Its totient is φ = 32357448.

The previous prime is 97072487. The next prime is 97072519. The reversal of 97072506 is 60527079.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 29257281 = 8235^2 + 5409^2 .

It is a super-2 number, since 2×97072506² = 18846142842240072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 299445 + ... + 299768.

Almost surely, 2^97072506 is an apocalyptic number.

97072506 is an abundant number, since it is smaller than the sum of its proper divisors (120442176).

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

97072506 is a wasteful number, since it uses less digits than its factorization.

97072506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599227 (or 599218 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 97072506 is about 9852.5380486451. The cubic root of 97072506 is about 459.5845429701.

The spelling of 97072506 in words is "ninety-seven million, seventy-two thousand, five hundred six".