47732891 has 2 divisors, whose sum is σ = 47732892. Its totient is φ = 47732890.

The previous prime is 47732857. The next prime is 47732929. The reversal of 47732891 is 19823774.

47732891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47732891 - 2¹⁰ = 47731867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47732801) 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, 23866445 + 23866446.

It is an arithmetic number, because the mean of its divisors is an integer number (23866446).

Almost surely, 2^47732891 is an apocalyptic number.

47732891 is a deficient number, since it is larger than the sum of its proper divisors (1).

47732891 is an equidigital number, since it uses as much as digits as its factorization.

47732891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 47732891 is about 6908.8994058388. The cubic root of 47732891 is about 362.7487402594.

The spelling of 47732891 in words is "forty-seven million, seven hundred thirty-two thousand, eight hundred ninety-one".