27994672 has 20 divisors (see below), whose sum is σ = 54342256. Its totient is φ = 13970880.

The previous prime is 27994667. The next prime is 27994691. The reversal of 27994672 is 27649972.

It is a happy 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 in 3 ways as a sum of consecutive naturals, for example, 9253 + ... + 11899.

Almost surely, 2^27994672 is an apocalyptic number.

It is an amenable number.

27994672 is a deficient number, since it is larger than the sum of its proper divisors (26347584).

27994672 is a wasteful number, since it uses less digits than its factorization.

27994672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316 (or 3310 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 27994672 is about 5290.9991494991. Note that the first 3 decimals coincide. The cubic root of 27994672 is about 303.6396353157.

The spelling of 27994672 in words is "twenty-seven million, nine hundred ninety-four thousand, six hundred seventy-two".