27708039 has 12 divisors (see below), whose sum is σ = 40954056. Its totient is φ = 18042192.

The previous prime is 27708013. The next prime is 27708041. The reversal of 27708039 is 93080772.

It is not a de Polignac number, because 27708039 - 2⁵ = 27708007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27707994 and 27708012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27708089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35412 + ... + 36185.

It is an arithmetic number, because the mean of its divisors is an integer number (3412838).

Almost surely, 2^27708039 is an apocalyptic number.

27708039 is a deficient number, since it is larger than the sum of its proper divisors (13246017).

27708039 is a wasteful number, since it uses less digits than its factorization.

27708039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71646 (or 71643 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 27708039 is about 5263.8426078294. The cubic root of 27708039 is about 302.5997722025.

The spelling of 27708039 in words is "twenty-seven million, seven hundred eight thousand, thirty-nine".