172239050572 has 48 divisors (see below), whose sum is σ = 321636188160. Its totient is φ = 80470646208.

The previous prime is 172239050567. The next prime is 172239050587. The reversal of 172239050572 is 275050932271.

172239050572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844533 + ... + 3889075.

It is an arithmetic number, because the mean of its divisors is an integer number (6700753920).

Almost surely, 2^172239050572 is an apocalyptic number.

It is an amenable number.

172239050572 is a deficient number, since it is larger than the sum of its proper divisors (149397137588).

172239050572 is a wasteful number, since it uses less digits than its factorization.

172239050572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45262 (or 45260 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 172239050572 in words is "one hundred seventy-two billion, two hundred thirty-nine million, fifty thousand, five hundred seventy-two".