27687693 has 16 divisors (see below), whose sum is σ = 42393600. Its totient is φ = 15896880.

The previous prime is 27687691. The next prime is 27687701. The reversal of 27687693 is 39678672.

It is not a de Polignac number, because 27687693 - 2¹ = 27687691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27687691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21453 + ... + 22706.

It is an arithmetic number, because the mean of its divisors is an integer number (2649600).

Almost surely, 2^27687693 is an apocalyptic number.

It is an amenable number.

27687693 is a deficient number, since it is larger than the sum of its proper divisors (14705907).

27687693 is a wasteful number, since it uses less digits than its factorization.

27687693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44192.

The product of its digits is 762048, while the sum is 48.

The square root of 27687693 is about 5261.9096343438. The cubic root of 27687693 is about 302.5256877760.

The spelling of 27687693 in words is "twenty-seven million, six hundred eighty-seven thousand, six hundred ninety-three".