6843744 has 72 divisors (see below), whose sum is σ = 20187720. Its totient is φ = 2255616.

The previous prime is 6843709. The next prime is 6843757. The reversal of 6843744 is 4473486.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6² + 8 + 4⁶ + 3¹³ + 7⁴ + 4¹⁰ + 4¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 6843699 and 6843708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76852 + ... + 76940.

It is an arithmetic number, because the mean of its divisors is an integer number (280385).

Almost surely, 2^6843744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6843744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10093860).

6843744 is an abundant number, since it is smaller than the sum of its proper divisors (13343976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6843744 is an equidigital number, since it uses as much as digits as its factorization.

6843744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 94 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 6843744 is about 2616.0550452924. The cubic root of 6843744 is about 189.8590274704.

The spelling of 6843744 in words is "six million, eight hundred forty-three thousand, seven hundred forty-four".