74843 has 2 divisors, whose sum is σ = 74844. Its totient is φ = 74842.

The previous prime is 74831. The next prime is 74857. The reversal of 74843 is 34847.

It is a weak prime.

It is an emirp because it is prime and its reverse (34847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74843 - 2⁴ = 74827 is a prime.

It is a Chen prime.

It is a plaindrome in base 9 and base 16.

It is not a weakly prime, because it can be changed into another prime (74873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37421 + 37422.

It is an arithmetic number, because the mean of its divisors is an integer number (37422).

2⁷⁴⁸⁴³ is an apocalyptic number.

74843 is a deficient number, since it is larger than the sum of its proper divisors (1).

74843 is an equidigital number, since it uses as much as digits as its factorization.

74843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 74843 is about 273.5744871146. The cubic root of 74843 is about 42.1421862795.

The spelling of 74843 in words is "seventy-four thousand, eight hundred forty-three".