172318082 has 8 divisors (see below), whose sum is σ = 258554700. Its totient is φ = 86133184.

The previous prime is 172318079. The next prime is 172318127. The reversal of 172318082 is 280813271.

It can be written as a sum of positive squares in 2 ways, for example, as 167987521 + 4330561 = 12961^2 + 2081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3107 + ... + 18822.

Almost surely, 2^172318082 is an apocalyptic number.

172318082 is a deficient number, since it is larger than the sum of its proper divisors (86236618).

172318082 is a wasteful number, since it uses less digits than its factorization.

172318082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25860.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 172318082 is about 13126.9982097965. The cubic root of 172318082 is about 556.4723850606.

The spelling of 172318082 in words is "one hundred seventy-two million, three hundred eighteen thousand, eighty-two".