27687316 has 12 divisors (see below), whose sum is σ = 48507732. Its totient is φ = 13827968.

The previous prime is 27687301. The next prime is 27687337. The reversal of 27687316 is 61378672.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 26563716 = 1060^2 + 5154^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 636 + ... + 7468.

It is an arithmetic number, because the mean of its divisors is an integer number (4042311).

Almost surely, 2^27687316 is an apocalyptic number.

It is an amenable number.

27687316 is a deficient number, since it is larger than the sum of its proper divisors (20820416).

27687316 is a wasteful number, since it uses less digits than its factorization.

27687316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850 (or 7848 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 27687316 is about 5261.8738107256. The cubic root of 27687316 is about 302.5243146906.

The spelling of 27687316 in words is "twenty-seven million, six hundred eighty-seven thousand, three hundred sixteen".