27668306 has 8 divisors (see below), whose sum is σ = 42841344. Its totient is φ = 13387860.

The previous prime is 27668297. The next prime is 27668309. The reversal of 27668306 is 60386672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27668306.

It is not an unprimeable number, because it can be changed into a prime (27668309) 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 3 ways as a sum of consecutive naturals, for example, 223070 + ... + 223193.

It is an arithmetic number, because the mean of its divisors is an integer number (5355168).

Almost surely, 2^27668306 is an apocalyptic number.

27668306 is a deficient number, since it is larger than the sum of its proper divisors (15173038).

27668306 is a wasteful number, since it uses less digits than its factorization.

27668306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446296.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 27668306 is about 5260.0671098380. The cubic root of 27668306 is about 302.4550615119.

The spelling of 27668306 in words is "twenty-seven million, six hundred sixty-eight thousand, three hundred six".