47336447 has 2 divisors, whose sum is σ = 47336448. Its totient is φ = 47336446.

The previous prime is 47336441. The next prime is 47336459. The reversal of 47336447 is 74463374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47336447 - 2¹⁸ = 47074303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47336447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47336441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23668223 + 23668224.

It is an arithmetic number, because the mean of its divisors is an integer number (23668224).

Almost surely, 2^47336447 is an apocalyptic number.

47336447 is a deficient number, since it is larger than the sum of its proper divisors (1).

47336447 is an equidigital number, since it uses as much as digits as its factorization.

47336447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 38.

The square root of 47336447 is about 6880.1487629266. The cubic root of 47336447 is about 361.7416810381.

The spelling of 47336447 in words is "forty-seven million, three hundred thirty-six thousand, four hundred forty-seven".