172440748 has 6 divisors (see below), whose sum is σ = 301771316. Its totient is φ = 86220372.

The previous prime is 172440733. The next prime is 172440761. The reversal of 172440748 is 847044271.

172440748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21555090 + ... + 21555097.

Almost surely, 2^172440748 is an apocalyptic number.

It is an amenable number.

172440748 is a deficient number, since it is larger than the sum of its proper divisors (129330568).

172440748 is a wasteful number, since it uses less digits than its factorization.

172440748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43110191 (or 43110189 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 172440748 is about 13131.6696577396. The cubic root of 172440748 is about 556.6043968418.

The spelling of 172440748 in words is "one hundred seventy-two million, four hundred forty thousand, seven hundred forty-eight".