27189994 has 16 divisors (see below), whose sum is σ = 45438120. Its totient is φ = 12116160.

The previous prime is 27189991. The next prime is 27190013. The reversal of 27189994 is 49998172.

It can be written as a sum of positive squares in 4 ways, for example, as 15880225 + 11309769 = 3985^2 + 3363^2 .

It is not an unprimeable number, because it can be changed into a prime (27189991) 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, 17277 + ... + 18784.

Almost surely, 2^27189994 is an apocalyptic number.

27189994 is a deficient number, since it is larger than the sum of its proper divisors (18248126).

27189994 is a wasteful number, since it uses less digits than its factorization.

27189994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36105.

The product of its digits is 326592, while the sum is 49.

The square root of 27189994 is about 5214.4025544639. The cubic root of 27189994 is about 300.7020373452.

The spelling of 27189994 in words is "twenty-seven million, one hundred eighty-nine thousand, nine hundred ninety-four".