97571432 has 64 divisors (see below), whose sum is σ = 223585920. Its totient is φ = 38965248.

The previous prime is 97571417. The next prime is 97571443. The reversal of 97571432 is 23417579.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 107123 + ... + 108029.

It is an arithmetic number, because the mean of its divisors is an integer number (3493530).

Almost surely, 2^97571432 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 97571432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111792960).

97571432 is an abundant number, since it is smaller than the sum of its proper divisors (126014488).

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

97571432 is a wasteful number, since it uses less digits than its factorization.

97571432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1046 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 97571432 is about 9877.8252667275. The cubic root of 97571432 is about 460.3705772482.

The spelling of 97571432 in words is "ninety-seven million, five hundred seventy-one thousand, four hundred thirty-two".