74343 has 4 divisors (see below), whose sum is σ = 99128. Its totient is φ = 49560.

The previous prime is 74323. The next prime is 74353. The reversal of 74343 is 34347.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74343 - 2⁵ = 74311 is a prime.

It is a D-number.

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

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12388 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (24782).

2⁷⁴³⁴³ is an apocalyptic number.

74343 is a deficient number, since it is larger than the sum of its proper divisors (24785).

74343 is a wasteful number, since it uses less digits than its factorization.

74343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24784.

The product of its digits is 1008, while the sum is 21.

The square root of 74343 is about 272.6591278501. The cubic root of 74343 is about 42.0481307635.

The spelling of 74343 in words is "seventy-four thousand, three hundred forty-three", and thus it is an iban number.