47449427 has 2 divisors, whose sum is σ = 47449428. Its totient is φ = 47449426.

The previous prime is 47449421. The next prime is 47449433. The reversal of 47449427 is 72494474.

It is a balanced prime because it is at equal distance from previous prime (47449421) and next prime (47449433).

It is a cyclic number.

It is not a de Polignac number, because 47449427 - 2¹⁰ = 47448403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47449421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23724713 + 23724714.

It is an arithmetic number, because the mean of its divisors is an integer number (23724714).

Almost surely, 2^47449427 is an apocalyptic number.

47449427 is a deficient number, since it is larger than the sum of its proper divisors (1).

47449427 is an equidigital number, since it uses as much as digits as its factorization.

47449427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 41.

The square root of 47449427 is about 6888.3544479070. The cubic root of 47449427 is about 362.0292473546.

The spelling of 47449427 in words is "forty-seven million, four hundred forty-nine thousand, four hundred twenty-seven".