172892712 has 64 divisors (see below), whose sum is σ = 448102080. Its totient is φ = 55544832.

The previous prime is 172892663. The next prime is 172892747. The reversal of 172892712 is 217298271.

172892712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 99483 + ... + 101205.

It is an arithmetic number, because the mean of its divisors is an integer number (7001595).

Almost surely, 2^172892712 is an apocalyptic number.

172892712 is a gapful number since it is divisible by the number (12) 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 172892712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224051040).

172892712 is an abundant number, since it is smaller than the sum of its proper divisors (275209368).

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

172892712 is a wasteful number, since it uses less digits than its factorization.

172892712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882 (or 1878 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 172892712 is about 13148.8673276446. The cubic root of 172892712 is about 557.0902558774.

The spelling of 172892712 in words is "one hundred seventy-two million, eight hundred ninety-two thousand, seven hundred twelve".