97570172 has 36 divisors (see below), whose sum is σ = 199420200. Its totient is φ = 41648544.

The previous prime is 97570159. The next prime is 97570177. The reversal of 97570172 is 27107579.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97570177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56579 + ... + 58277.

It is an arithmetic number, because the mean of its divisors is an integer number (5539450).

Almost surely, 2^97570172 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 97570172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99710100).

97570172 is an abundant number, since it is smaller than the sum of its proper divisors (101850028).

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

97570172 is a wasteful number, since it uses less digits than its factorization.

97570172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 38.

The square root of 97570172 is about 9877.7614873007. The cubic root of 97570172 is about 460.3685955567.

The spelling of 97570172 in words is "ninety-seven million, five hundred seventy thousand, one hundred seventy-two".