172427506 has 16 divisors (see below), whose sum is σ = 265795200. Its totient is φ = 83846448.

The previous prime is 172427483. The next prime is 172427513. The reversal of 172427506 is 605724271.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16360 + ... + 24748.

It is an arithmetic number, because the mean of its divisors is an integer number (16612200).

Almost surely, 2^172427506 is an apocalyptic number.

172427506 is a deficient number, since it is larger than the sum of its proper divisors (93367694).

172427506 is a wasteful number, since it uses less digits than its factorization.

172427506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8673.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 172427506 is about 13131.1654471338. The cubic root of 172427506 is about 556.5901489640.

The spelling of 172427506 in words is "one hundred seventy-two million, four hundred twenty-seven thousand, five hundred six".