27812468 has 6 divisors (see below), whose sum is σ = 48671826. Its totient is φ = 13906232.

The previous prime is 27812453. The next prime is 27812501. The reversal of 27812468 is 86421872.

It can be written as a sum of positive squares in only one way, i.e., 23309584 + 4502884 = 4828^2 + 2122^2 .

It is a congruent number.

It is an unprimeable number.

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, 3476555 + ... + 3476562.

It is an arithmetic number, because the mean of its divisors is an integer number (8111971).

Almost surely, 2^27812468 is an apocalyptic number.

It is an amenable number.

27812468 is a deficient number, since it is larger than the sum of its proper divisors (20859358).

27812468 is a wasteful number, since it uses less digits than its factorization.

27812468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953121 (or 6953119 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 27812468 is about 5273.7527435404. The cubic root of 27812468 is about 302.9794523276.

The spelling of 27812468 in words is "twenty-seven million, eight hundred twelve thousand, four hundred sixty-eight".