172679404930 has 8 divisors (see below), whose sum is σ = 310822928892. Its totient is φ = 69071761968.

The previous prime is 172679404913. The next prime is 172679404943. The reversal of 172679404930 is 39404976271.

It can be written as a sum of positive squares in 2 ways, for example, as 172672660521 + 6744409 = 415539^2 + 2597^2 .

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, 8633970237 + ... + 8633970256.

Almost surely, 2^172679404930 is an apocalyptic number.

172679404930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172679404930 is a deficient number, since it is larger than the sum of its proper divisors (138143523962).

172679404930 is a wasteful number, since it uses less digits than its factorization.

172679404930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17267940500.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 172679404930 in words is "one hundred seventy-two billion, six hundred seventy-nine million, four hundred four thousand, nine hundred thirty".