6724736 has 32 divisors (see below), whose sum is σ = 13549680. Its totient is φ = 3324160.

The previous prime is 6724721. The next prime is 6724747. The reversal of 6724736 is 6374276.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 6724696 and 6724705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13451 + ... + 13941.

Almost surely, 2^6724736 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 6724736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6774840).

6724736 is an abundant number, since it is smaller than the sum of its proper divisors (6824944).

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

6724736 is a wasteful number, since it uses less digits than its factorization.

6724736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 600 counting only the distinct ones).

The product of its digits is 42336, while the sum is 35.

The square root of 6724736 is about 2593.2095943059. The cubic root of 6724736 is about 188.7520801490.

The spelling of 6724736 in words is "six million, seven hundred twenty-four thousand, seven hundred thirty-six".