272660831 has 4 divisors (see below), whose sum is σ = 272817600. Its totient is φ = 272504064.

The previous prime is 272660827. The next prime is 272660833. The reversal of 272660831 is 138066272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 272660831 - 2² = 272660827 is a prime.

It is a super-2 number, since 2×272660831² = 148687857523221122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 272660791 and 272660800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272660833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75746 + ... + 79263.

It is an arithmetic number, because the mean of its divisors is an integer number (68204400).

Almost surely, 2^272660831 is an apocalyptic number.

272660831 is a deficient number, since it is larger than the sum of its proper divisors (156769).

272660831 is a wasteful number, since it uses less digits than its factorization.

272660831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156768.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 272660831 is about 16512.4447311717. Note that the first 3 decimals coincide. The cubic root of 272660831 is about 648.4466505751.

The spelling of 272660831 in words is "two hundred seventy-two million, six hundred sixty thousand, eight hundred thirty-one".