27280648 has 32 divisors (see below), whose sum is σ = 56035800. Its totient is φ = 12393472.

The previous prime is 27280607. The next prime is 27280681. The reversal of 27280648 is 84608272.

It can be written as a sum of positive squares in 4 ways, for example, as 26604964 + 675684 = 5158^2 + 822^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486 + ... + 7402.

Almost surely, 2^27280648 is an apocalyptic number.

It is an amenable number.

27280648 is an abundant number, since it is smaller than the sum of its proper divisors (28755152).

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

27280648 is a wasteful number, since it uses less digits than its factorization.

27280648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6965 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 27280648 is about 5223.0879755179. The cubic root of 27280648 is about 301.0358562598.

The spelling of 27280648 in words is "twenty-seven million, two hundred eighty thousand, six hundred forty-eight".