27806694 has 16 divisors (see below), whose sum is σ = 55848960. Its totient is φ = 9229640.

The previous prime is 27806693. The next prime is 27806707. The reversal of 27806694 is 49660872.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27806693) 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 7 ways as a sum of consecutive naturals, for example, 8262 + ... + 11129.

It is an arithmetic number, because the mean of its divisors is an integer number (3490560).

Almost surely, 2^27806694 is an apocalyptic number.

27806694 is an abundant number, since it is smaller than the sum of its proper divisors (28042266).

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

27806694 is a wasteful number, since it uses less digits than its factorization.

27806694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19635.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 27806694 is about 5273.2052871095. The cubic root of 27806694 is about 302.9584842203.

The spelling of 27806694 in words is "twenty-seven million, eight hundred six thousand, six hundred ninety-four".