172579472 has 20 divisors (see below), whose sum is σ = 360094140. Its totient is φ = 79651968.

The previous prime is 172579457. The next prime is 172579483. The reversal of 172579472 is 274975271.

172579472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 134189056 = 6196^2 + 11584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414647 + ... + 415062.

It is an arithmetic number, because the mean of its divisors is an integer number (18004707).

Almost surely, 2^172579472 is an apocalyptic number.

It is an amenable number.

172579472 is an abundant number, since it is smaller than the sum of its proper divisors (187514668).

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

172579472 is a wasteful number, since it uses less digits than its factorization.

172579472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829730 (or 829724 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The square root of 172579472 is about 13136.9506355166. The cubic root of 172579472 is about 556.7536146511.

The spelling of 172579472 in words is "one hundred seventy-two million, five hundred seventy-nine thousand, four hundred seventy-two".