172381004 has 12 divisors (see below), whose sum is σ = 302113224. Its totient is φ = 86062944.

The previous prime is 172380947. The next prime is 172381019. The reversal of 172381004 is 400183271.

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, 28817 + ... + 34280.

It is an arithmetic number, because the mean of its divisors is an integer number (25176102).

Almost surely, 2^172381004 is an apocalyptic number.

It is an amenable number.

172381004 is a deficient number, since it is larger than the sum of its proper divisors (129732220).

172381004 is a wasteful number, since it uses less digits than its factorization.

172381004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63784 (or 63782 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 172381004 is about 13129.3946547432. The cubic root of 172381004 is about 556.5401088383.

The spelling of 172381004 in words is "one hundred seventy-two million, three hundred eighty-one thousand, four".