27663712 has 12 divisors (see below), whose sum is σ = 54462996. Its totient is φ = 13831840.

The previous prime is 27663703. The next prime is 27663719. The reversal of 27663712 is 21736672.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27663719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432214 + ... + 432277.

It is an arithmetic number, because the mean of its divisors is an integer number (4538583).

Almost surely, 2^27663712 is an apocalyptic number.

It is an amenable number.

27663712 is a deficient number, since it is larger than the sum of its proper divisors (26799284).

27663712 is an equidigital number, since it uses as much as digits as its factorization.

27663712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864501 (or 864493 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 27663712 is about 5259.6304052661. The cubic root of 27663712 is about 302.4383208718.

The spelling of 27663712 in words is "twenty-seven million, six hundred sixty-three thousand, seven hundred twelve".