172925648 has 20 divisors (see below), whose sum is σ = 382907040. Its totient is φ = 74110944.

The previous prime is 172925617. The next prime is 172925677. The reversal of 172925648 is 846529271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172925599 and 172925608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771878 + ... + 772101.

It is an arithmetic number, because the mean of its divisors is an integer number (19145352).

Almost surely, 2^172925648 is an apocalyptic number.

It is an amenable number.

172925648 is an abundant number, since it is smaller than the sum of its proper divisors (209981392).

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

172925648 is a wasteful number, since it uses less digits than its factorization.

172925648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543994 (or 1543988 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 172925648 is about 13150.1196952727. The cubic root of 172925648 is about 557.1256287963.

The spelling of 172925648 in words is "one hundred seventy-two million, nine hundred twenty-five thousand, six hundred forty-eight".