172753216 has 14 divisors (see below), whose sum is σ = 342807290. Its totient is φ = 86376576.

The previous prime is 172753193. The next prime is 172753219. The reversal of 172753216 is 612357271.

It can be written as a sum of positive squares in only one way, i.e., 89870400 + 82882816 = 9480^2 + 9104^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172753219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349571 + ... + 1349698.

It is an arithmetic number, because the mean of its divisors is an integer number (24486235).

Almost surely, 2^172753216 is an apocalyptic number.

172753216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172753216 is a deficient number, since it is larger than the sum of its proper divisors (170054074).

172753216 is an equidigital number, since it uses as much as digits as its factorization.

172753216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699281 (or 2699271 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 172753216 is about 13143.5617699313. The cubic root of 172753216 is about 556.9403888085.

The spelling of 172753216 in words is "one hundred seventy-two million, seven hundred fifty-three thousand, two hundred sixteen".