27930043 has 2 divisors, whose sum is σ = 27930044. Its totient is φ = 27930042.

The previous prime is 27930041. The next prime is 27930059. The reversal of 27930043 is 34003972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27930043 - 2¹ = 27930041 is a prime.

Together with 27930041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 27929993 and 27930020.

It is not a weakly prime, because it can be changed into another prime (27930041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13965021 + 13965022.

It is an arithmetic number, because the mean of its divisors is an integer number (13965022).

Almost surely, 2^27930043 is an apocalyptic number.

27930043 is a deficient number, since it is larger than the sum of its proper divisors (1).

27930043 is an equidigital number, since it uses as much as digits as its factorization.

27930043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 27930043 is about 5284.8881728945. Note that the first 3 decimals coincide. The cubic root of 27930043 is about 303.4057926429.

The spelling of 27930043 in words is "twenty-seven million, nine hundred thirty thousand, forty-three".