172268652 has 24 divisors (see below), whose sum is σ = 404626432. Its totient is φ = 57042000.

The previous prime is 172268641. The next prime is 172268653. The reversal of 172268652 is 256862271.

It is a self number, because there is not a number n which added to its sum of digits gives 172268652.

It is not an unprimeable number, because it can be changed into a prime (172268653) 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, 45724 + ... + 49347.

Almost surely, 2^172268652 is an apocalyptic number.

172268652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

172268652 is an abundant number, since it is smaller than the sum of its proper divisors (232357780).

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

172268652 is a wasteful number, since it uses less digits than its factorization.

172268652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95229 (or 95227 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 172268652 is about 13125.1153137792. The cubic root of 172268652 is about 556.4191713367.

It can be divided in two parts, 17226 and 8652, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 172268652 in words is "one hundred seventy-two million, two hundred sixty-eight thousand, six hundred fifty-two".