172475827 has 8 divisors (see below), whose sum is σ = 182511360. Its totient is φ = 162651720.

The previous prime is 172475819. The next prime is 172475837. The reversal of 172475827 is 728574271.

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

It is a cyclic number.

It is not a de Polignac number, because 172475827 - 2³ = 172475819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172475837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51177 + ... + 54442.

It is an arithmetic number, because the mean of its divisors is an integer number (22813920).

Almost surely, 2^172475827 is an apocalyptic number.

172475827 is a deficient number, since it is larger than the sum of its proper divisors (10035533).

172475827 is a wasteful number, since it uses less digits than its factorization.

172475827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105713.

The product of its digits is 219520, while the sum is 43.

The square root of 172475827 is about 13133.0052539394. The cubic root of 172475827 is about 556.6421369584.

The spelling of 172475827 in words is "one hundred seventy-two million, four hundred seventy-five thousand, eight hundred twenty-seven".