6720431080 has 64 divisors (see below), whose sum is σ = 16517779200. Its totient is φ = 2440508160.

The previous prime is 6720431077. The next prime is 6720431083. The reversal of 6720431080 is 801340276.

It is an interprime number because it is at equal distance from previous prime (6720431077) and next prime (6720431083).

It is not an unprimeable number, because it can be changed into a prime (6720431083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330241 + ... + 349999.

It is an arithmetic number, because the mean of its divisors is an integer number (258090300).

Almost surely, 2^6720431080 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 6720431080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8258889600).

6720431080 is an abundant number, since it is smaller than the sum of its proper divisors (9797348120).

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

6720431080 is a wasteful number, since it uses less digits than its factorization.

6720431080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20554 (or 20550 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6720431080 is about 81978.2354042828. The cubic root of 6720431080 is about 1887.1179425242.

The spelling of 6720431080 in words is "six billion, seven hundred twenty million, four hundred thirty-one thousand, eighty".