172725612 has 12 divisors (see below), whose sum is σ = 403026456. Its totient is φ = 57575200.

The previous prime is 172725571. The next prime is 172725613. The reversal of 172725612 is 216527271.

172725612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (172725613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7196889 + ... + 7196912.

It is an arithmetic number, because the mean of its divisors is an integer number (33585538).

Almost surely, 2^172725612 is an apocalyptic number.

172725612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172725612 is an abundant number, since it is smaller than the sum of its proper divisors (230300844).

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

172725612 is a wasteful number, since it uses less digits than its factorization.

172725612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14393808 (or 14393806 counting only the distinct ones).

The product of its digits is 11760, while the sum is 33.

The square root of 172725612 is about 13142.5116321044. The cubic root of 172725612 is about 556.9107229808.

The spelling of 172725612 in words is "one hundred seventy-two million, seven hundred twenty-five thousand, six hundred twelve".