47409671 has 2 divisors, whose sum is σ = 47409672. Its totient is φ = 47409670.

The previous prime is 47409599. The next prime is 47409679. The reversal of 47409671 is 17690474.

47409671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47409671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47409679) 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, 23704835 + 23704836.

It is an arithmetic number, because the mean of its divisors is an integer number (23704836).

Almost surely, 2^47409671 is an apocalyptic number.

47409671 is a deficient number, since it is larger than the sum of its proper divisors (1).

47409671 is an equidigital number, since it uses as much as digits as its factorization.

47409671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 47409671 is about 6885.4681031866. The cubic root of 47409671 is about 361.9281091023.

The spelling of 47409671 in words is "forty-seven million, four hundred nine thousand, six hundred seventy-one".