172326752 has 48 divisors (see below), whose sum is σ = 366665040. Its totient is φ = 79252992.

The previous prime is 172326743. The next prime is 172326829. The reversal of 172326752 is 257623271.

172326752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 157118 + ... + 158210.

It is an arithmetic number, because the mean of its divisors is an integer number (7638855).

Almost surely, 2^172326752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172326752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183332520).

172326752 is an abundant number, since it is smaller than the sum of its proper divisors (194338288).

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

172326752 is a wasteful number, since it uses less digits than its factorization.

172326752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495 (or 1487 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 172326752 is about 13127.3284410805. The cubic root of 172326752 is about 556.4817176751.

The spelling of 172326752 in words is "one hundred seventy-two million, three hundred twenty-six thousand, seven hundred fifty-two".