172868675 has 12 divisors (see below), whose sum is σ = 244979856. Its totient is φ = 118538400.

The previous prime is 172868653. The next prime is 172868677. The reversal of 172868675 is 576868271.

It is not a de Polignac number, because 172868675 - 2⁶ = 172868611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172868677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493736 + ... + 494085.

It is an arithmetic number, because the mean of its divisors is an integer number (20414988).

Almost surely, 2^172868675 is an apocalyptic number.

172868675 is a deficient number, since it is larger than the sum of its proper divisors (72111181).

172868675 is an equidigital number, since it uses as much as digits as its factorization.

172868675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987838 (or 987833 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 172868675 is about 13147.9532627706. The cubic root of 172868675 is about 557.0644375554.

The spelling of 172868675 in words is "one hundred seventy-two million, eight hundred sixty-eight thousand, six hundred seventy-five".