6726320 has 40 divisors (see below), whose sum is σ = 15842736. Its totient is φ = 2655488.

The previous prime is 6726299. The next prime is 6726329. The reversal of 6726320 is 236276.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 6726320.

It is not an unprimeable number, because it can be changed into a prime (6726329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6134 + ... + 7146.

Almost surely, 2^6726320 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 6726320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7921368).

6726320 is an abundant number, since it is smaller than the sum of its proper divisors (9116416).

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

6726320 is a wasteful number, since it uses less digits than its factorization.

6726320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 6726320 is about 2593.5149893533. The cubic root of 6726320 is about 188.7668990615.

The spelling of 6726320 in words is "six million, seven hundred twenty-six thousand, three hundred twenty".