272630173 has 6 divisors (see below), whose sum is σ = 289610906. Its totient is φ = 256592832.

The previous prime is 272630161. The next prime is 272630177. The reversal of 272630173 is 371036272.

It can be written as a sum of positive squares in 3 ways, for example, as 187197124 + 85433049 = 13682^2 + 9243^2 .

It is not a de Polignac number, because 272630173 - 2⁹ = 272629661 is a prime.

It is a super-2 number, since 2×272630173² = 148654422460019858, 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 (272630177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471390 + ... + 471967.

Almost surely, 2^272630173 is an apocalyptic number.

It is an amenable number.

272630173 is a deficient number, since it is larger than the sum of its proper divisors (16980733).

272630173 is an equidigital number, since it uses as much as digits as its factorization.

272630173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943391 (or 943374 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 272630173 is about 16511.5163749427. The cubic root of 272630173 is about 648.4223458708.

The spelling of 272630173 in words is "two hundred seventy-two million, six hundred thirty thousand, one hundred seventy-three".