172082860 has 48 divisors (see below), whose sum is σ = 374476032. Its totient is φ = 66355200.

The previous prime is 172082851. The next prime is 172082887. The reversal of 172082860 is 68280271.

It is a super-2 number, since 2×172082860² = 59225021411559200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 268140 + ... + 268780.

It is an arithmetic number, because the mean of its divisors is an integer number (7801584).

Almost surely, 2^172082860 is an apocalyptic number.

172082860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172082860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187238016).

172082860 is an abundant number, since it is smaller than the sum of its proper divisors (202393172).

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

172082860 is a wasteful number, since it uses less digits than its factorization.

172082860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 172082860 is about 13118.0356761216. The cubic root of 172082860 is about 556.2190664109.

The spelling of 172082860 in words is "one hundred seventy-two million, eighty-two thousand, eight hundred sixty".