97875432 has 128 divisors (see below), whose sum is σ = 287539200. Its totient is φ = 30801600.

The previous prime is 97875431. The next prime is 97875433. The reversal of 97875432 is 23457879.

It is an interprime number because it is at equal distance from previous prime (97875431) and next prime (97875433).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97875431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314557 + ... + 314867.

It is an arithmetic number, because the mean of its divisors is an integer number (2246400).

Almost surely, 2^97875432 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 97875432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143769600).

97875432 is an abundant number, since it is smaller than the sum of its proper divisors (189663768).

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

97875432 is a wasteful number, since it uses less digits than its factorization.

97875432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 394 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 97875432 is about 9893.2013019043. The cubic root of 97875432 is about 460.8482018804.

The spelling of 97875432 in words is "ninety-seven million, eight hundred seventy-five thousand, four hundred thirty-two".