27429712 has 20 divisors (see below), whose sum is σ = 53273376. Its totient is φ = 13681760.

The previous prime is 27429709. The next prime is 27429713. The reversal of 27429712 is 21792472.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27429713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5637 + ... + 9307.

Almost surely, 2^27429712 is an apocalyptic number.

It is an amenable number.

27429712 is a deficient number, since it is larger than the sum of its proper divisors (25843664).

27429712 is a wasteful number, since it uses less digits than its factorization.

27429712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146 (or 4140 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 27429712 is about 5237.3382552591. The cubic root of 27429712 is about 301.5831566134.

The spelling of 27429712 in words is "twenty-seven million, four hundred twenty-nine thousand, seven hundred twelve".