272842729 has 2 divisors, whose sum is σ = 272842730. Its totient is φ = 272842728.

The previous prime is 272842723. The next prime is 272842733. The reversal of 272842729 is 927248272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206583129 + 66259600 = 14373^2 + 8140^2 .

It is a cyclic number.

It is not a de Polignac number, because 272842729 - 2⁷ = 272842601 is a prime.

It is not a weakly prime, because it can be changed into another prime (272842723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136421364 + 136421365.

It is an arithmetic number, because the mean of its divisors is an integer number (136421365).

Almost surely, 2^272842729 is an apocalyptic number.

It is an amenable number.

272842729 is a deficient number, since it is larger than the sum of its proper divisors (1).

272842729 is an equidigital number, since it uses as much as digits as its factorization.

272842729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The square root of 272842729 is about 16517.9517192659. The cubic root of 272842729 is about 648.5908161658.

The spelling of 272842729 in words is "two hundred seventy-two million, eight hundred forty-two thousand, seven hundred twenty-nine".