97515072 has 84 divisors (see below), whose sum is σ = 283179520. Its totient is φ = 32078592.

The previous prime is 97515059. The next prime is 97515109. The reversal of 97515072 is 27051579.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44433 + ... + 46575.

Almost surely, 2^97515072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97515072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141589760).

97515072 is an abundant number, since it is smaller than the sum of its proper divisors (185664448).

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

97515072 is a wasteful number, since it uses less digits than its factorization.

97515072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 97515072 is about 9874.9719999603. The cubic root of 97515072 is about 460.2819191830.

The spelling of 97515072 in words is "ninety-seven million, five hundred fifteen thousand, seventy-two".