27399772 has 24 divisors (see below), whose sum is σ = 49342832. Its totient is φ = 13305600.

The previous prime is 27399761. The next prime is 27399793. The reversal of 27399772 is 27799372.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 41122 + ... + 41782.

Almost surely, 2^27399772 is an apocalyptic number.

It is an amenable number.

27399772 is a deficient number, since it is larger than the sum of its proper divisors (21943060).

27399772 is a wasteful number, since it uses less digits than its factorization.

27399772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 947 counting only the distinct ones).

The product of its digits is 333396, while the sum is 46.

The square root of 27399772 is about 5234.4791526951. The cubic root of 27399772 is about 301.4733889407.

The spelling of 27399772 in words is "twenty-seven million, three hundred ninety-nine thousand, seven hundred seventy-two".