272644660 has 24 divisors (see below), whose sum is σ = 592298280. Its totient is φ = 105297024.

The previous prime is 272644649. The next prime is 272644679. The reversal of 272644660 is 66446272.

It can be written as a sum of positive squares in 4 ways, for example, as 29658916 + 242985744 = 5446^2 + 15588^2 .

It is a super-2 number, since 2×272644660² = 148670221253031200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234459 + ... + 235618.

It is an arithmetic number, because the mean of its divisors is an integer number (24679095).

Almost surely, 2^272644660 is an apocalyptic number.

272644660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272644660 is an abundant number, since it is smaller than the sum of its proper divisors (319653620).

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

272644660 is a wasteful number, since it uses less digits than its factorization.

272644660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470115 (or 470113 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 272644660 is about 16511.9550629233. The cubic root of 272644660 is about 648.4338309387.

The spelling of 272644660 in words is "two hundred seventy-two million, six hundred forty-four thousand, six hundred sixty".