172375475 has 6 divisors (see below), whose sum is σ = 213745620. Its totient is φ = 137900360.

The previous prime is 172375471. The next prime is 172375487. The reversal of 172375475 is 574573271.

It is not a de Polignac number, because 172375475 - 2² = 172375471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172375471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3447485 + ... + 3447534.

It is an arithmetic number, because the mean of its divisors is an integer number (35624270).

Almost surely, 2^172375475 is an apocalyptic number.

172375475 is a deficient number, since it is larger than the sum of its proper divisors (41370145).

172375475 is an equidigital number, since it uses as much as digits as its factorization.

172375475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895029 (or 6895024 counting only the distinct ones).

The product of its digits is 205800, while the sum is 41.

The square root of 172375475 is about 13129.1840949847. The cubic root of 172375475 is about 556.5341585633.

The spelling of 172375475 in words is "one hundred seventy-two million, three hundred seventy-five thousand, four hundred seventy-five".