6720760320 has 160 divisors (see below), whose sum is σ = 22179294720. Its totient is φ = 1734328320.

The previous prime is 6720760273. The next prime is 6720760349. The reversal of 6720760320 is 230670276.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223966 + ... + 252194.

It is an arithmetic number, because the mean of its divisors is an integer number (138620592).

Almost surely, 2^6720760320 is an apocalyptic number.

6720760320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6720760320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11089647360).

6720760320 is an abundant number, since it is smaller than the sum of its proper divisors (15458534400).

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

6720760320 is a wasteful number, since it uses less digits than its factorization.

6720760320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28286 (or 28270 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 6720760320 is about 81980.2434736565. The cubic root of 6720760320 is about 1887.1487592261.

The spelling of 6720760320 in words is "six billion, seven hundred twenty million, seven hundred sixty thousand, three hundred twenty".