27954739 has 2 divisors, whose sum is σ = 27954740. Its totient is φ = 27954738.

The previous prime is 27954737. The next prime is 27954761. The reversal of 27954739 is 93745972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27954739 - 2¹ = 27954737 is a prime.

Together with 27954737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27954737) 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, 13977369 + 13977370.

It is an arithmetic number, because the mean of its divisors is an integer number (13977370).

Almost surely, 2^27954739 is an apocalyptic number.

27954739 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954739 is an equidigital number, since it uses as much as digits as its factorization.

27954739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 27954739 is about 5287.2241299192. The cubic root of 27954739 is about 303.4951910267.

The spelling of 27954739 in words is "twenty-seven million, nine hundred fifty-four thousand, seven hundred thirty-nine".