27682656 has 24 divisors (see below), whose sum is σ = 72667224. Its totient is φ = 9227520.

The previous prime is 27682643. The next prime is 27682657. The reversal of 27682656 is 65628672.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27682657) 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, 144085 + ... + 144276.

It is an arithmetic number, because the mean of its divisors is an integer number (3027801).

Almost surely, 2^27682656 is an apocalyptic number.

It is an amenable number.

27682656 is an abundant number, since it is smaller than the sum of its proper divisors (44984568).

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

27682656 is a wasteful number, since it uses less digits than its factorization.

27682656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288374 (or 288366 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 27682656 is about 5261.4309840575. The cubic root of 27682656 is about 302.5073413058.

The spelling of 27682656 in words is "twenty-seven million, six hundred eighty-two thousand, six hundred fifty-six".