27680672 has 24 divisors (see below), whose sum is σ = 54629316. Its totient is φ = 13806592.

The previous prime is 27680671. The next prime is 27680683. The reversal of 27680672 is 27608672.

It can be written as a sum of positive squares in 2 ways, for example, as 21939856 + 5740816 = 4684^2 + 2396^2 .

It is not an unprimeable number, because it can be changed into a prime (27680671) 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, 17048 + ... + 18600.

Almost surely, 2^27680672 is an apocalyptic number.

It is an amenable number.

27680672 is a deficient number, since it is larger than the sum of its proper divisors (26948644).

27680672 is a wasteful number, since it uses less digits than its factorization.

27680672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 27680672 is about 5261.2424388161. The cubic root of 27680672 is about 302.5001142909.

The spelling of 27680672 in words is "twenty-seven million, six hundred eighty thousand, six hundred seventy-two".