97715472 has 80 divisors (see below), whose sum is σ = 263649792. Its totient is φ = 31150080.

The previous prime is 97715459. The next prime is 97715489. The reversal of 97715472 is 27451779.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143998 + ... + 144674.

Almost surely, 2^97715472 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 97715472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131824896).

97715472 is an abundant number, since it is smaller than the sum of its proper divisors (165934320).

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

97715472 is a wasteful number, since it uses less digits than its factorization.

97715472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 810 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The square root of 97715472 is about 9885.1136564027. The cubic root of 97715472 is about 460.5970068235.

The spelling of 97715472 in words is "ninety-seven million, seven hundred fifteen thousand, four hundred seventy-two".