27272428 has 6 divisors (see below), whose sum is σ = 47726756. Its totient is φ = 13636212.

The previous prime is 27272419. The next prime is 27272431. The reversal of 27272428 is 82427272.

It is a junction number, because it is equal to n+sod(n) for n = 27272393 and 27272402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3409050 + ... + 3409057.

Almost surely, 2^27272428 is an apocalyptic number.

It is an amenable number.

27272428 is a deficient number, since it is larger than the sum of its proper divisors (20454328).

27272428 is a wasteful number, since it uses less digits than its factorization.

27272428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818111 (or 6818109 counting only the distinct ones).

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

The square root of 27272428 is about 5222.3010254102. The cubic root of 27272428 is about 301.0056179347.

The spelling of 27272428 in words is "twenty-seven million, two hundred seventy-two thousand, four hundred twenty-eight".