27648736 has 24 divisors (see below), whose sum is σ = 55127520. Its totient is φ = 13648128.

The previous prime is 27648707. The next prime is 27648739. The reversal of 27648736 is 63784672.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27648692 and 27648701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27648739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2941 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (2296980).

Almost surely, 2^27648736 is an apocalyptic number.

It is an amenable number.

27648736 is a deficient number, since it is larger than the sum of its proper divisors (27478784).

27648736 is a wasteful number, since it uses less digits than its factorization.

27648736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026 (or 11018 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 27648736 is about 5258.2065383551. The cubic root of 27648736 is about 302.3837351162.

The spelling of 27648736 in words is "twenty-seven million, six hundred forty-eight thousand, seven hundred thirty-six".