27720076 has 12 divisors (see below), whose sum is σ = 50075200. Its totient is φ = 13412880.

The previous prime is 27720053. The next prime is 27720089. The reversal of 27720076 is 67002772.

It is a super-2 number, since 2×27720076² = 1536805226891552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 111651 + ... + 111898.

Almost surely, 2^27720076 is an apocalyptic number.

It is an amenable number.

27720076 is a deficient number, since it is larger than the sum of its proper divisors (22355124).

27720076 is a wasteful number, since it uses less digits than its factorization.

27720076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223584 (or 223582 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 27720076 is about 5264.9858499335. The cubic root of 27720076 is about 302.6435845913.

The spelling of 27720076 in words is "twenty-seven million, seven hundred twenty thousand, seventy-six".