27694156 has 48 divisors (see below), whose sum is σ = 59524416. Its totient is φ = 11003904.

The previous prime is 27694151. The next prime is 27694157. The reversal of 27694156 is 65149672.

It is not an unprimeable number, because it can be changed into a prime (27694151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34350 + ... + 35146.

It is an arithmetic number, because the mean of its divisors is an integer number (1240092).

Almost surely, 2^27694156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27694156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29762208).

27694156 is an abundant number, since it is smaller than the sum of its proper divisors (31830260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27694156 is a wasteful number, since it uses less digits than its factorization.

27694156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 896 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 27694156 is about 5262.5237291627. The cubic root of 27694156 is about 302.5492249652.

The spelling of 27694156 in words is "twenty-seven million, six hundred ninety-four thousand, one hundred fifty-six".