172464271 has 12 divisors (see below), whose sum is σ = 205289832. Its totient is φ = 144386928.

The previous prime is 172464211. The next prime is 172464293.

It is a happy number.

172464271 is nontrivially palindromic in base 10.

172464271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172464271 - 2²⁷ = 38246543 is a prime.

It is a super-2 number, since 2×172464271² = 59487849543122882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172464211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38820 + ... + 43033.

It is an arithmetic number, because the mean of its divisors is an integer number (17107486).

Almost surely, 2^172464271 is an apocalyptic number.

172464271 is a deficient number, since it is larger than the sum of its proper divisors (32825561).

172464271 is an equidigital number, since it uses as much as digits as its factorization.

172464271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81910 (or 81903 counting only the distinct ones).

The product of its digits is 18816, while the sum is 34.

The square root of 172464271 is about 13132.5652863407. The cubic root of 172464271 is about 556.6297048777.

The spelling of 172464271 in words is "one hundred seventy-two million, four hundred sixty-four thousand, two hundred seventy-one".