27609648 has 40 divisors (see below), whose sum is σ = 77810496. Its totient is φ = 8366400.

The previous prime is 27609643. The next prime is 27609667. The reversal of 27609648 is 84690672.

It is not an unprimeable number, because it can be changed into a prime (27609643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25618 + ... + 26673.

Almost surely, 2^27609648 is an apocalyptic number.

It is an amenable number.

27609648 is an abundant number, since it is smaller than the sum of its proper divisors (50200848).

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

27609648 is a wasteful number, since it uses less digits than its factorization.

27609648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52313 (or 52307 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 27609648 is about 5254.4883671010. The cubic root of 27609648 is about 302.2411710373.

The spelling of 27609648 in words is "twenty-seven million, six hundred nine thousand, six hundred forty-eight".