27267872 has 12 divisors (see below), whose sum is σ = 53683686. Its totient is φ = 13633920.

The previous prime is 27267871. The next prime is 27267893. The reversal of 27267872 is 27876272.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 4648336 = 4756^2 + 2156^2 .

It is not an unprimeable number, because it can be changed into a prime (27267871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426029 + ... + 426092.

Almost surely, 2^27267872 is an apocalyptic number.

It is an amenable number.

27267872 is a deficient number, since it is larger than the sum of its proper divisors (26415814).

27267872 is an equidigital number, since it uses as much as digits as its factorization.

27267872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852131 (or 852123 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 27267872 is about 5221.8648010074. The cubic root of 27267872 is about 300.9888554867.

Subtracting 27267872 from its reverse (27876272), we obtain a square (608400 = 780²).

The spelling of 27267872 in words is "twenty-seven million, two hundred sixty-seven thousand, eight hundred seventy-two".