172012075 has 12 divisors (see below), whose sum is σ = 219060880. Its totient is φ = 133889760.

The previous prime is 172012033. The next prime is 172012123. The reversal of 172012075 is 570210271.

It is a happy number.

It is not a de Polignac number, because 172012075 - 2²¹ = 169914923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 92055 + ... + 93904.

Almost surely, 2^172012075 is an apocalyptic number.

172012075 is a deficient number, since it is larger than the sum of its proper divisors (47048805).

172012075 is a wasteful number, since it uses less digits than its factorization.

172012075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186006 (or 186001 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 172012075 is about 13115.3373955838. The cubic root of 172012075 is about 556.1427904310.

The spelling of 172012075 in words is "one hundred seventy-two million, twelve thousand, seventy-five".