272607809 has 2 divisors, whose sum is σ = 272607810. Its totient is φ = 272607808.

The previous prime is 272607781. The next prime is 272607817. The reversal of 272607809 is 908706272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255360400 + 17247409 = 15980^2 + 4153^2 .

It is a cyclic number.

It is not a de Polignac number, because 272607809 - 2¹⁶ = 272542273 is a prime.

It is not a weakly prime, because it can be changed into another prime (272607889) 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 as a sum of consecutive naturals, namely, 136303904 + 136303905.

It is an arithmetic number, because the mean of its divisors is an integer number (136303905).

Almost surely, 2^272607809 is an apocalyptic number.

It is an amenable number.

272607809 is a deficient number, since it is larger than the sum of its proper divisors (1).

272607809 is an equidigital number, since it uses as much as digits as its factorization.

272607809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 272607809 is about 16510.8391367610. The cubic root of 272607809 is about 648.4046152412.

The spelling of 272607809 in words is "two hundred seventy-two million, six hundred seven thousand, eight hundred nine".