272631647 has 2 divisors, whose sum is σ = 272631648. Its totient is φ = 272631646.

The previous prime is 272631587. The next prime is 272631659. The reversal of 272631647 is 746136272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272631647 - 2¹⁰ = 272630623 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272631647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272634647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136315823 + 136315824.

It is an arithmetic number, because the mean of its divisors is an integer number (136315824).

Almost surely, 2^272631647 is an apocalyptic number.

272631647 is a deficient number, since it is larger than the sum of its proper divisors (1).

272631647 is an equidigital number, since it uses as much as digits as its factorization.

272631647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 272631647 is about 16511.5610103951. The cubic root of 272631647 is about 648.4235144537.

The spelling of 272631647 in words is "two hundred seventy-two million, six hundred thirty-one thousand, six hundred forty-seven".