172007475 has 36 divisors (see below), whose sum is σ = 300188376. Its totient is φ = 86895360.

The previous prime is 172007453. The next prime is 172007503. The reversal of 172007475 is 574700271.

It is a happy number.

It is not a de Polignac number, because 172007475 - 2⁵ = 172007443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23899 + ... + 30251.

It is an arithmetic number, because the mean of its divisors is an integer number (8338566).

Almost surely, 2^172007475 is an apocalyptic number.

172007475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

172007475 is a deficient number, since it is larger than the sum of its proper divisors (128180901).

172007475 is a wasteful number, since it uses less digits than its factorization.

172007475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6404 (or 6380 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 172007475 is about 13115.1620272111. The cubic root of 172007475 is about 556.1378328728.

The spelling of 172007475 in words is "one hundred seventy-two million, seven thousand, four hundred seventy-five".