272726431 has 2 divisors, whose sum is σ = 272726432. Its totient is φ = 272726430.

The previous prime is 272726413. The next prime is 272726473. The reversal of 272726431 is 134627272.

Together with previous prime (272726413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 272726431 - 2²⁷ = 138508703 is a prime.

It is a super-2 number, since 2×272726431² = 148759412331995522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272726231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136363215 + 136363216.

It is an arithmetic number, because the mean of its divisors is an integer number (136363216).

Almost surely, 2^272726431 is an apocalyptic number.

272726431 is a deficient number, since it is larger than the sum of its proper divisors (1).

272726431 is an equidigital number, since it uses as much as digits as its factorization.

272726431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 272726431 is about 16514.4309923170. The cubic root of 272726431 is about 648.4986500857.

The spelling of 272726431 in words is "two hundred seventy-two million, seven hundred twenty-six thousand, four hundred thirty-one".