32109972 has 12 divisors (see below), whose sum is σ = 74923296. Its totient is φ = 10703320.

The previous prime is 32109971. The next prime is 32110009. The reversal of 32109972 is 27990123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32109971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337904 + ... + 1337927.

It is an arithmetic number, because the mean of its divisors is an integer number (6243608).

Almost surely, 2^32109972 is an apocalyptic number.

It is an amenable number.

32109972 is an abundant number, since it is smaller than the sum of its proper divisors (42813324).

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

32109972 is a wasteful number, since it uses less digits than its factorization.

32109972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675838 (or 2675836 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 32109972 is about 5666.5661559714. The cubic root of 32109972 is about 317.8434813782.

The spelling of 32109972 in words is "thirty-two million, one hundred nine thousand, nine hundred seventy-two".