27691112 has 8 divisors (see below), whose sum is σ = 51920850. Its totient is φ = 13845552.

The previous prime is 27691109. The next prime is 27691117. The reversal of 27691112 is 21119672.

It can be written as a sum of positive squares in only one way, i.e., 23872996 + 3818116 = 4886^2 + 1954^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (27691117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730687 + ... + 1730702.

Almost surely, 2^27691112 is an apocalyptic number.

It is an amenable number.

27691112 is a deficient number, since it is larger than the sum of its proper divisors (24229738).

27691112 is a wasteful number, since it uses less digits than its factorization.

27691112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461395 (or 3461391 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 27691112 is about 5262.2345063670. The cubic root of 27691112 is about 302.5381396712.

The spelling of 27691112 in words is "twenty-seven million, six hundred ninety-one thousand, one hundred twelve".