27694140 has 24 divisors (see below), whose sum is σ = 77543760. Its totient is φ = 7385088.

The previous prime is 27694127. The next prime is 27694141. The reversal of 27694140 is 4149672.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27694141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230725 + ... + 230844.

It is an arithmetic number, because the mean of its divisors is an integer number (3230990).

Almost surely, 2^27694140 is an apocalyptic number.

27694140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27694140 is an abundant number, since it is smaller than the sum of its proper divisors (49849620).

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

27694140 is a wasteful number, since it uses less digits than its factorization.

27694140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461581 (or 461579 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 27694140 is about 5262.5222089793. The cubic root of 27694140 is about 302.5491667004.

The spelling of 27694140 in words is "twenty-seven million, six hundred ninety-four thousand, one hundred forty".