172708712 has 48 divisors (see below), whose sum is σ = 375325920. Its totient is φ = 73875200.

The previous prime is 172708699. The next prime is 172708733. The reversal of 172708712 is 217807271.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22037 + ... + 28827.

It is an arithmetic number, because the mean of its divisors is an integer number (7819290).

Almost surely, 2^172708712 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 172708712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187662960).

172708712 is an abundant number, since it is smaller than the sum of its proper divisors (202617208).

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

172708712 is a wasteful number, since it uses less digits than its factorization.

172708712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842 (or 6821 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 172708712 is about 13141.8686646915. The cubic root of 172708712 is about 556.8925591079.

The spelling of 172708712 in words is "one hundred seventy-two million, seven hundred eight thousand, seven hundred twelve".