6720341320 has 128 divisors (see below), whose sum is σ = 18922325760. Its totient is φ = 2086824960.

The previous prime is 6720341233. The next prime is 6720341321. The reversal of 6720341320 is 231430276.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (6720341321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 849222 + ... + 857098.

It is an arithmetic number, because the mean of its divisors is an integer number (147830670).

Almost surely, 2^6720341320 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 6720341320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9461162880).

6720341320 is an abundant number, since it is smaller than the sum of its proper divisors (12201984440).

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

6720341320 is a wasteful number, since it uses less digits than its factorization.

6720341320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8183 (or 8179 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 6720341320 is about 81977.6879400731. The cubic root of 6720341320 is about 1887.1095408577.

Adding to 6720341320 its reverse (231430276), we get a palindrome (6951771596).

The spelling of 6720341320 in words is "six billion, seven hundred twenty million, three hundred forty-one thousand, three hundred twenty".