172427563 has 8 divisors (see below), whose sum is σ = 214974720. Its totient is φ = 134359080.

The previous prime is 172427531. The next prime is 172427569. The reversal of 172427563 is 365724271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172427563 - 2⁵ = 172427531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172427569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119583 + ... + 1119736.

It is an arithmetic number, because the mean of its divisors is an integer number (26871840).

Almost surely, 2^172427563 is an apocalyptic number.

172427563 is a deficient number, since it is larger than the sum of its proper divisors (42547157).

172427563 is a wasteful number, since it uses less digits than its factorization.

172427563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2239337.

The product of its digits is 70560, while the sum is 37.

The square root of 172427563 is about 13131.1676175426. The cubic root of 172427563 is about 556.5902102954.

The spelling of 172427563 in words is "one hundred seventy-two million, four hundred twenty-seven thousand, five hundred sixty-three".