27972796 has 12 divisors (see below), whose sum is σ = 49410648. Its totient is φ = 13855472.

The previous prime is 27972781. The next prime is 27972809. The reversal of 27972796 is 69727972.

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, 32251 + ... + 33106.

It is an arithmetic number, because the mean of its divisors is an integer number (4117554).

Almost surely, 2^27972796 is an apocalyptic number.

It is an amenable number.

27972796 is a deficient number, since it is larger than the sum of its proper divisors (21437852).

27972796 is a wasteful number, since it uses less digits than its factorization.

27972796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65468 (or 65466 counting only the distinct ones).

The product of its digits is 666792, while the sum is 49.

The square root of 27972796 is about 5288.9314610798. The cubic root of 27972796 is about 303.5605232187.

The spelling of 27972796 in words is "twenty-seven million, nine hundred seventy-two thousand, seven hundred ninety-six".