272781364 has 12 divisors (see below), whose sum is σ = 489010788. Its totient is φ = 133064000.

The previous prime is 272781343. The next prime is 272781401. The reversal of 272781364 is 463187272.

It can be written as a sum of positive squares in 2 ways, for example, as 68062500 + 204718864 = 8250^2 + 14308^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831487 + ... + 831814.

It is an arithmetic number, because the mean of its divisors is an integer number (40750899).

Almost surely, 2^272781364 is an apocalyptic number.

It is an amenable number.

272781364 is a deficient number, since it is larger than the sum of its proper divisors (216229424).

272781364 is a wasteful number, since it uses less digits than its factorization.

272781364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663346 (or 1663344 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 272781364 is about 16516.0940903108. The cubic root of 272781364 is about 648.5421877126.

The spelling of 272781364 in words is "two hundred seventy-two million, seven hundred eighty-one thousand, three hundred sixty-four".