272681 has 4 divisors (see below), whose sum is σ = 273792. Its totient is φ = 271572.

The previous prime is 272659. The next prime is 272683. The reversal of 272681 is 186272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 272681 - 2¹⁰ = 271657 is a prime.

It is a super-2 number, since 2×272681² = 148709855522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272681.

It is not an unprimeable number, because it can be changed into a prime (272683) 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 in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 738.

It is an arithmetic number, because the mean of its divisors is an integer number (68448).

2²⁷²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

272681 is a deficient number, since it is larger than the sum of its proper divisors (1111).

272681 is an equidigital number, since it uses as much as digits as its factorization.

272681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110.

The product of its digits is 1344, while the sum is 26.

The square root of 272681 is about 522.1886632243. The cubic root of 272681 is about 64.8462638934.

The spelling of 272681 in words is "two hundred seventy-two thousand, six hundred eighty-one".