73943 has 2 divisors, whose sum is σ = 73944. Its totient is φ = 73942.

The previous prime is 73939. The next prime is 73951. The reversal of 73943 is 34937.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73943 - 2² = 73939 is a prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36971 + 36972.

It is an arithmetic number, because the mean of its divisors is an integer number (36972).

2⁷³⁹⁴³ is an apocalyptic number.

73943 is a deficient number, since it is larger than the sum of its proper divisors (1).

73943 is an equidigital number, since it uses as much as digits as its factorization.

73943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 26.

The square root of 73943 is about 271.9246219084. The cubic root of 73943 is about 41.9725822567.

The spelling of 73943 in words is "seventy-three thousand, nine hundred forty-three".