74943 has 12 divisors (see below), whose sum is σ = 118248. Its totient is φ = 45360.

The previous prime is 74941. The next prime is 74959. The reversal of 74943 is 34947.

It is not a de Polignac number, because 74943 - 2¹ = 74941 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 8 and base 16.

It is a zygodrome in base 8.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74943.

It is not an unprimeable number, because it can be changed into a prime (74941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280 + ... + 477.

It is an arithmetic number, because the mean of its divisors is an integer number (9854).

2⁷⁴⁹⁴³ is an apocalyptic number.

74943 is a deficient number, since it is larger than the sum of its proper divisors (43305).

74943 is a wasteful number, since it uses less digits than its factorization.

74943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 771 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 74943 is about 273.7571916864. The cubic root of 74943 is about 42.1609470770.

It can be divided in two parts, 7 and 4943, that added together give a triangular number (4950 = T₉₉).

The spelling of 74943 in words is "seventy-four thousand, nine hundred forty-three".