172725032 has 32 divisors (see below), whose sum is σ = 357825600. Its totient is φ = 77746944.

The previous prime is 172725031. The next prime is 172725053. The reversal of 172725032 is 230527271.

It is a junction number, because it is equal to n+sod(n) for n = 172724986 and 172725004.

It is not an unprimeable number, because it can be changed into a prime (172725031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24482 + ... + 30737.

It is an arithmetic number, because the mean of its divisors is an integer number (11182050).

Almost surely, 2^172725032 is an apocalyptic number.

It is an amenable number.

172725032 is an abundant number, since it is smaller than the sum of its proper divisors (185100568).

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

172725032 is a wasteful number, since it uses less digits than its factorization.

172725032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55265 (or 55261 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 172725032 is about 13142.4895662884. The cubic root of 172725032 is about 556.9100996249.

The spelling of 172725032 in words is "one hundred seventy-two million, seven hundred twenty-five thousand, thirty-two".