97572500 has 60 divisors (see below), whose sum is σ = 220429440. Its totient is φ = 37740000.

The previous prime is 97572499. The next prime is 97572521. The reversal of 97572500 is 527579.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76871 + ... + 78129.

It is an arithmetic number, because the mean of its divisors is an integer number (3673824).

Almost surely, 2^97572500 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 97572500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110214720).

97572500 is an abundant number, since it is smaller than the sum of its proper divisors (122856940).

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

97572500 is a wasteful number, since it uses less digits than its factorization.

97572500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 35.

The square root of 97572500 is about 9877.8793270621. The cubic root of 97572500 is about 460.3722569543.

The spelling of 97572500 in words is "ninety-seven million, five hundred seventy-two thousand, five hundred".