173572085372 has 24 divisors (see below), whose sum is σ = 348434684640. Its totient is φ = 74111497920.

The previous prime is 173572085333. The next prime is 173572085383. The reversal of 173572085372 is 273580275371.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 173572085372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11514779 + ... + 11529842.

It is an arithmetic number, because the mean of its divisors is an integer number (14518111860).

Almost surely, 2^173572085372 is an apocalyptic number.

It is an amenable number.

173572085372 is an abundant number, since it is smaller than the sum of its proper divisors (174862599268).

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

173572085372 is a wasteful number, since it uses less digits than its factorization.

173572085372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23044901 (or 23044899 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 50.

The spelling of 173572085372 in words is "one hundred seventy-three billion, five hundred seventy-two million, eighty-five thousand, three hundred seventy-two".