172473171 has 16 divisors (see below), whose sum is σ = 248221344. Its totient is φ = 105894144.

The previous prime is 172473157. The next prime is 172473233. The reversal of 172473171 is 171374271.

It is not a de Polignac number, because 172473171 - 2¹⁵ = 172440403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172473131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12985 + ... + 22661.

It is an arithmetic number, because the mean of its divisors is an integer number (15513834).

Almost surely, 2^172473171 is an apocalyptic number.

172473171 is a deficient number, since it is larger than the sum of its proper divisors (75748173).

172473171 is a wasteful number, since it uses less digits than its factorization.

172473171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150.

The product of its digits is 8232, while the sum is 33.

The square root of 172473171 is about 13132.9041342728. The cubic root of 172473171 is about 556.6392796515.

The spelling of 172473171 in words is "one hundred seventy-two million, four hundred seventy-three thousand, one hundred seventy-one".