27864682 has 8 divisors (see below), whose sum is σ = 41837796. Its totient is φ = 13918752.

The previous prime is 27864673. The next prime is 27864701. The reversal of 27864682 is 28646872.

It can be written as a sum of positive squares in 2 ways, for example, as 26925721 + 938961 = 5189^2 + 969^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×27864682² = 1552881005922248, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4003 + ... + 8470.

Almost surely, 2^27864682 is an apocalyptic number.

27864682 is a deficient number, since it is larger than the sum of its proper divisors (13973114).

27864682 is a wasteful number, since it uses less digits than its factorization.

27864682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13592.

The product of its digits is 258048, while the sum is 43.

The square root of 27864682 is about 5278.7007871256. The cubic root of 27864682 is about 303.1689342491.

The spelling of 27864682 in words is "twenty-seven million, eight hundred sixty-four thousand, six hundred eighty-two".