97251072432 has 40 divisors (see below), whose sum is σ = 251951842800. Its totient is φ = 32324133120.

The previous prime is 97251072419. The next prime is 97251072433. The reversal of 97251072432 is 23427015279.

It is a super-2 number, since 2×97251072432² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97251072433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2885919 + ... + 2919422.

It is an arithmetic number, because the mean of its divisors is an integer number (6298796070).

Almost surely, 2^97251072432 is an apocalyptic number.

It is an amenable number.

97251072432 is an abundant number, since it is smaller than the sum of its proper divisors (154700770368).

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

97251072432 is a wasteful number, since it uses less digits than its factorization.

97251072432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805701 (or 5805695 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 97251072432 in words is "ninety-seven billion, two hundred fifty-one million, seventy-two thousand, four hundred thirty-two".