172719132 has 24 divisors (see below), whose sum is σ = 412384896. Its totient is φ = 56233968.

The previous prime is 172719109. The next prime is 172719143. The reversal of 172719132 is 231917271.

172719132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 172719093 and 172719102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166848 + ... + 167879.

It is an arithmetic number, because the mean of its divisors is an integer number (17182704).

Almost surely, 2^172719132 is an apocalyptic number.

172719132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172719132 is an abundant number, since it is smaller than the sum of its proper divisors (239665764).

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

172719132 is a wasteful number, since it uses less digits than its factorization.

172719132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334777 (or 334775 counting only the distinct ones).

The product of its digits is 5292, while the sum is 33.

The square root of 172719132 is about 13142.2651015721. The cubic root of 172719132 is about 556.9037585116.

The spelling of 172719132 in words is "one hundred seventy-two million, seven hundred nineteen thousand, one hundred thirty-two".