172272052 has 12 divisors (see below), whose sum is σ = 306418756. Its totient is φ = 84723840.

The previous prime is 172272029. The next prime is 172272059. The reversal of 172272052 is 250272271.

It can be written as a sum of positive squares in 2 ways, for example, as 72352036 + 99920016 = 8506^2 + 9996^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 172272052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172272059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352773 + ... + 353260.

Almost surely, 2^172272052 is an apocalyptic number.

It is an amenable number.

172272052 is a deficient number, since it is larger than the sum of its proper divisors (134146704).

172272052 is a wasteful number, since it uses less digits than its factorization.

172272052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706098 (or 706096 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 172272052 is about 13125.2448358116. The cubic root of 172272052 is about 556.4228319229.

The spelling of 172272052 in words is "one hundred seventy-two million, two hundred seventy-two thousand, fifty-two".