27428272 has 20 divisors (see below), whose sum is σ = 53252296. Its totient is φ = 13685760.

The previous prime is 27428251. The next prime is 27428299. The reversal of 27428272 is 27282472.

27428272 is nontrivially palindromic in base 5.

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, 7747 + ... + 10717.

Almost surely, 2^27428272 is an apocalyptic number.

It is an amenable number.

27428272 is a deficient number, since it is larger than the sum of its proper divisors (25824024).

27428272 is a wasteful number, since it uses less digits than its factorization.

27428272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556 (or 3550 counting only the distinct ones).

The product of its digits is 25088, while the sum is 34.

The square root of 27428272 is about 5237.2007790422. The cubic root of 27428272 is about 301.5778790353.

The spelling of 27428272 in words is "twenty-seven million, four hundred twenty-eight thousand, two hundred seventy-two".