27868772 has 12 divisors (see below), whose sum is σ = 49438956. Its totient is φ = 13743360.

The previous prime is 27868769. The next prime is 27868777. The reversal of 27868772 is 27786872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20557156 + 7311616 = 4534^2 + 2704^2 .

It is not an unprimeable number, because it can be changed into a prime (27868777) 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, 47429 + ... + 48012.

It is an arithmetic number, because the mean of its divisors is an integer number (4119913).

Almost surely, 2^27868772 is an apocalyptic number.

It is an amenable number.

27868772 is a deficient number, since it is larger than the sum of its proper divisors (21570184).

27868772 is a wasteful number, since it uses less digits than its factorization.

27868772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95518 (or 95516 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The square root of 27868772 is about 5279.0881788430. The cubic root of 27868772 is about 303.1837666485.

The spelling of 27868772 in words is "twenty-seven million, eight hundred sixty-eight thousand, seven hundred seventy-two".