27680272 has 20 divisors (see below), whose sum is σ = 55361536. Its totient is φ = 13393440.

The previous prime is 27680269. The next prime is 27680281. The reversal of 27680272 is 27208672.

27680272 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 27408 + ... + 28399.

Almost surely, 2^27680272 is an apocalyptic number.

It is an amenable number.

27680272 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27680272 is a wasteful number, since it uses less digits than its factorization.

27680272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55846 (or 55840 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 27680272 is about 5261.2044248442. The cubic root of 27680272 is about 302.4986571896.

The spelling of 27680272 in words is "twenty-seven million, six hundred eighty thousand, two hundred seventy-two".