27691292 has 12 divisors (see below), whose sum is σ = 48503616. Its totient is φ = 13833120.

The previous prime is 27691289. The next prime is 27691297. The reversal of 27691292 is 29219672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27691297) by changing a digit.

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, 3317 + ... + 8147.

It is an arithmetic number, because the mean of its divisors is an integer number (4041968).

Almost surely, 2^27691292 is an apocalyptic number.

It is an amenable number.

27691292 is a deficient number, since it is larger than the sum of its proper divisors (20812324).

27691292 is a wasteful number, since it uses less digits than its factorization.

27691292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268 (or 6266 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 27691292 is about 5262.2516093399. The cubic root of 27691292 is about 302.5387951974.

The spelling of 27691292 in words is "twenty-seven million, six hundred ninety-one thousand, two hundred ninety-two".