6344743 has 4 divisors (see below), whose sum is σ = 6358968. Its totient is φ = 6330520.

The previous prime is 6344729. The next prime is 6344747. The reversal of 6344743 is 3474436.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6344743 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

6344743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6344747) 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, 6421 + ... + 7342.

It is an arithmetic number, because the mean of its divisors is an integer number (1589742).

Almost surely, 2^6344743 is an apocalyptic number.

6344743 is a deficient number, since it is larger than the sum of its proper divisors (14225).

6344743 is a wasteful number, since it uses less digits than its factorization.

6344743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14224.

The product of its digits is 24192, while the sum is 31.

The square root of 6344743 is about 2518.8773292878. The cubic root of 6344743 is about 185.1276742247.

The spelling of 6344743 in words is "six million, three hundred forty-four thousand, seven hundred forty-three".