172608870 has 96 divisors (see below), whose sum is σ = 498636000. Its totient is φ = 38083584.

The previous prime is 172608853. The next prime is 172608889. The reversal of 172608870 is 78806271.

172608870 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 47 ways as a sum of consecutive naturals, for example, 40606 + ... + 44654.

It is an arithmetic number, because the mean of its divisors is an integer number (5194125).

Almost surely, 2^172608870 is an apocalyptic number.

172608870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 172608870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249318000).

172608870 is an abundant number, since it is smaller than the sum of its proper divisors (326027130).

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

172608870 is a wasteful number, since it uses less digits than its factorization.

172608870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 4095 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 172608870 is about 13138.0694928897. The cubic root of 172608870 is about 556.7852262004.

The spelling of 172608870 in words is "one hundred seventy-two million, six hundred eight thousand, eight hundred seventy".