27792065 has 12 divisors (see below), whose sum is σ = 38795796. Its totient is φ = 19057248.

The previous prime is 27792047. The next prime is 27792067. The reversal of 27792065 is 56029772.

It can be written as a sum of positive squares in 2 ways, for example, as 11478544 + 16313521 = 3388^2 + 4039^2 .

It is not a de Polignac number, because 27792065 - 2⁶ = 27792001 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27792067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56474 + ... + 56963.

It is an arithmetic number, because the mean of its divisors is an integer number (3232983).

Almost surely, 2^27792065 is an apocalyptic number.

It is an amenable number.

27792065 is a deficient number, since it is larger than the sum of its proper divisors (11003731).

27792065 is a wasteful number, since it uses less digits than its factorization.

27792065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113456 (or 113449 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 27792065 is about 5271.8179976171. The cubic root of 27792065 is about 302.9053464506.

The spelling of 27792065 in words is "twenty-seven million, seven hundred ninety-two thousand, sixty-five".