27630739 has 2 divisors, whose sum is σ = 27630740. Its totient is φ = 27630738.

The previous prime is 27630727. The next prime is 27630767. The reversal of 27630739 is 93703672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27630739 - 2⁹ = 27630227 is a prime.

It is a super-2 number, since 2×27630739² = 1526915475372242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27630698 and 27630707.

It is not a weakly prime, because it can be changed into another prime (27630839) 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 as a sum of consecutive naturals, namely, 13815369 + 13815370.

It is an arithmetic number, because the mean of its divisors is an integer number (13815370).

Almost surely, 2^27630739 is an apocalyptic number.

27630739 is a deficient number, since it is larger than the sum of its proper divisors (1).

27630739 is an equidigital number, since it uses as much as digits as its factorization.

27630739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 37.

The square root of 27630739 is about 5256.4949348401. The cubic root of 27630739 is about 302.3181120889.

The spelling of 27630739 in words is "twenty-seven million, six hundred thirty thousand, seven hundred thirty-nine".