172623252 has 48 divisors (see below), whose sum is σ = 417009152. Its totient is φ = 55520640.

The previous prime is 172623233. The next prime is 172623259. The reversal of 172623252 is 252326271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172623259) 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, 227658 + ... + 228414.

Almost surely, 2^172623252 is an apocalyptic number.

172623252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172623252 is an abundant number, since it is smaller than the sum of its proper divisors (244385900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172623252 is a wasteful number, since it uses less digits than its factorization.

172623252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 172623252 is about 13138.6168221773. The cubic root of 172623252 is about 556.8006897988.

The spelling of 172623252 in words is "one hundred seventy-two million, six hundred twenty-three thousand, two hundred fifty-two".