47743 has 2 divisors, whose sum is σ = 47744. Its totient is φ = 47742.

The previous prime is 47741. The next prime is 47777. The reversal of 47743 is 34774.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47743 - 2¹ = 47741 is a prime.

Together with 47741, it forms a pair of twin primes.

It is the 219-th Hogben number.

47743 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47741) by changing a digit.

It is a nontrivial repunit in base 218.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23871 + 23872.

It is an arithmetic number, because the mean of its divisors is an integer number (23872).

2⁴⁷⁷⁴³ is an apocalyptic number.

47743 is a deficient number, since it is larger than the sum of its proper divisors (1).

47743 is an equidigital number, since it uses as much as digits as its factorization.

47743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 25.

The square root of 47743 is about 218.5017162404. The cubic root of 47743 is about 36.2774346420.

The spelling of 47743 in words is "forty-seven thousand, seven hundred forty-three", and thus it is an iban number.