172108075 has 6 divisors (see below), whose sum is σ = 213414044. Its totient is φ = 137686440.

The previous prime is 172108073. The next prime is 172108087. The reversal of 172108075 is 570801271.

It is a happy number.

It is not a de Polignac number, because 172108075 - 2¹ = 172108073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172108073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3442137 + ... + 3442186.

Almost surely, 2^172108075 is an apocalyptic number.

172108075 is a deficient number, since it is larger than the sum of its proper divisors (41305969).

172108075 is an equidigital number, since it uses as much as digits as its factorization.

172108075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884333 (or 6884328 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 172108075 is about 13118.9967223107. The cubic root of 172108075 is about 556.2462323525.

The spelling of 172108075 in words is "one hundred seventy-two million, one hundred eight thousand, seventy-five".