32997974568 has 128 divisors (see below), whose sum is σ = 94146796800. Its totient is φ = 9563904000.

The previous prime is 32997974567. The next prime is 32997974623. The reversal of 32997974568 is 86547979923.

It is not an unprimeable number, because it can be changed into a prime (32997974563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326493 + ... + 415443.

It is an arithmetic number, because the mean of its divisors is an integer number (735521850).

Almost surely, 2^32997974568 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 32997974568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47073398400).

32997974568 is an abundant number, since it is smaller than the sum of its proper divisors (61148822232).

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

32997974568 is a wasteful number, since it uses less digits than its factorization.

32997974568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89043 (or 89039 counting only the distinct ones).

The product of its digits is 205752960, while the sum is 69.

The spelling of 32997974568 in words is "thirty-two billion, nine hundred ninety-seven million, nine hundred seventy-four thousand, five hundred sixty-eight".