27694139 has 32 divisors (see below), whose sum is σ = 34338816. Its totient is φ = 22021120.

The previous prime is 27694127. The next prime is 27694141. The reversal of 27694139 is 93149672.

It is not a de Polignac number, because 27694139 - 2⁴ = 27694123 is a prime.

It is a super-3 number, since 3×27694139³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27694096 and 27694105.

It is not an unprimeable number, because it can be changed into a prime (27694109) 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 31 ways as a sum of consecutive naturals, for example, 202079 + ... + 202215.

It is an arithmetic number, because the mean of its divisors is an integer number (1073088).

Almost surely, 2^27694139 is an apocalyptic number.

27694139 is a deficient number, since it is larger than the sum of its proper divisors (6644677).

27694139 is a wasteful number, since it uses less digits than its factorization.

27694139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235.

The product of its digits is 81648, while the sum is 41.

The square root of 27694139 is about 5262.5221139678. The cubic root of 27694139 is about 302.5491630588.

The spelling of 27694139 in words is "twenty-seven million, six hundred ninety-four thousand, one hundred thirty-nine".