172292648 has 16 divisors (see below), whose sum is σ = 352416960. Its totient is φ = 78314800.

The previous prime is 172292639. The next prime is 172292651. The reversal of 172292648 is 846292271.

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, 978848 + ... + 979023.

It is an arithmetic number, because the mean of its divisors is an integer number (22026060).

Almost surely, 2^172292648 is an apocalyptic number.

It is an amenable number.

172292648 is an abundant number, since it is smaller than the sum of its proper divisors (180124312).

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

172292648 is a wasteful number, since it uses less digits than its factorization.

172292648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957888 (or 1957884 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 172292648 is about 13126.0294072503. The cubic root of 172292648 is about 556.4450054325.

The spelling of 172292648 in words is "one hundred seventy-two million, two hundred ninety-two thousand, six hundred forty-eight".