172102080 has 112 divisors (see below), whose sum is σ = 564148224. Its totient is φ = 44405760.

The previous prime is 172102069. The next prime is 172102097. The reversal of 172102080 is 80201271.

It is a congruent number.

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, 26869 + ... + 32651.

Almost surely, 2^172102080 is an apocalyptic number.

172102080 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 172102080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282074112).

172102080 is an abundant number, since it is smaller than the sum of its proper divisors (392046144).

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

172102080 is a wasteful number, since it uses less digits than its factorization.

172102080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5834 (or 5824 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 172102080 is about 13118.7682348611. The cubic root of 172102080 is about 556.2397737463.

The spelling of 172102080 in words is "one hundred seventy-two million, one hundred two thousand, eighty".