32197872 has 80 divisors (see below), whose sum is σ = 96343040. Its totient is φ = 9075456.

The previous prime is 32197819. The next prime is 32197883. The reversal of 32197872 is 27879123.

It is a super-2 number, since 2×32197872² = 2073405922656768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32197872.

It is a congruent number.

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, 25938 + ... + 27150.

It is an arithmetic number, because the mean of its divisors is an integer number (1204288).

Almost surely, 2^32197872 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 32197872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48171520).

32197872 is an abundant number, since it is smaller than the sum of its proper divisors (64145168).

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

32197872 is a wasteful number, since it uses less digits than its factorization.

32197872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1304 counting only the distinct ones).

The product of its digits is 42336, while the sum is 39.

The square root of 32197872 is about 5674.3168751842. The cubic root of 32197872 is about 318.1332458496.

The spelling of 32197872 in words is "thirty-two million, one hundred ninety-seven thousand, eight hundred seventy-two".