27682443 has 36 divisors (see below), whose sum is σ = 44060640. Its totient is φ = 16724736.

The previous prime is 27682439. The next prime is 27682463. The reversal of 27682443 is 34428672.

It is not a de Polignac number, because 27682443 - 2² = 27682439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27682398 and 27682407.

It is not an unprimeable number, because it can be changed into a prime (27682433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75246 + ... + 75612.

Almost surely, 2^27682443 is an apocalyptic number.

27682443 is a deficient number, since it is larger than the sum of its proper divisors (16378197).

27682443 is a wasteful number, since it uses less digits than its factorization.

27682443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 416 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 27682443 is about 5261.4107423770. The cubic root of 27682443 is about 302.5065654382.

The spelling of 27682443 in words is "twenty-seven million, six hundred eighty-two thousand, four hundred forty-three".