32172742902 has 32 divisors (see below), whose sum is σ = 67744408320. Its totient is φ = 10157965920.

The previous prime is 32172742897. The next prime is 32172742937. The reversal of 32172742902 is 20924727123.

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, 691452 + ... + 736512.

It is an arithmetic number, because the mean of its divisors is an integer number (2117012760).

Almost surely, 2^32172742902 is an apocalyptic number.

32172742902 is an abundant number, since it is smaller than the sum of its proper divisors (35571665418).

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

32172742902 is a wasteful number, since it uses less digits than its factorization.

32172742902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51348.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 32172742902 in words is "thirty-two billion, one hundred seventy-two million, seven hundred forty-two thousand, nine hundred two".