27668683 has 6 divisors (see below), whose sum is σ = 32186076. Its totient is φ = 23715972.

The previous prime is 27668677. The next prime is 27668687. The reversal of 27668683 is 38686672.

It is not a de Polignac number, because 27668683 - 2⁹ = 27668171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27668687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282285 + ... + 282382.

It is an arithmetic number, because the mean of its divisors is an integer number (5364346).

Almost surely, 2^27668683 is an apocalyptic number.

27668683 is a deficient number, since it is larger than the sum of its proper divisors (4517393).

27668683 is an equidigital number, since it uses as much as digits as its factorization.

27668683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564681 (or 564674 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 27668683 is about 5260.1029457607. The cubic root of 27668683 is about 302.4564352262.

It can be divided in two parts, 2766 and 8683, that added together give a square (11449 = 107²).

The spelling of 27668683 in words is "twenty-seven million, six hundred sixty-eight thousand, six hundred eighty-three".