272656 has 10 divisors (see below), whose sum is σ = 528302. Its totient is φ = 136320.

The previous prime is 272651. The next prime is 272659. The reversal of 272656 is 656272.

It can be written as a sum of positive squares in only one way, i.e., 266256 + 6400 = 516^2 + 80^2 .

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (272651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8505 + ... + 8536.

2²⁷²⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

272656 is a deficient number, since it is larger than the sum of its proper divisors (255646).

272656 is a wasteful number, since it uses less digits than its factorization.

272656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17049 (or 17043 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 272656 is about 522.1647249671. The cubic root of 272656 is about 64.8442820830.

The spelling of 272656 in words is "two hundred seventy-two thousand, six hundred fifty-six".