272787231 has 4 divisors (see below), whose sum is σ = 363716312. Its totient is φ = 181858152.

The previous prime is 272787211. The next prime is 272787233. The reversal of 272787231 is 132787272.

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

It is not a de Polignac number, because 272787231 - 2⁶ = 272787167 is a prime.

It is a super-2 number, since 2×272787231² = 148825746793294722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 272787231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272787233) 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, 45464536 + ... + 45464541.

It is an arithmetic number, because the mean of its divisors is an integer number (90929078).

Almost surely, 2^272787231 is an apocalyptic number.

272787231 is a deficient number, since it is larger than the sum of its proper divisors (90929081).

272787231 is an equidigital number, since it uses as much as digits as its factorization.

272787231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90929080.

The product of its digits is 65856, while the sum is 39.

The square root of 272787231 is about 16516.2717039894. The cubic root of 272787231 is about 648.5468373090.

The spelling of 272787231 in words is "two hundred seventy-two million, seven hundred eighty-seven thousand, two hundred thirty-one".