6720660276 has 24 divisors (see below), whose sum is σ = 17107135584. Its totient is φ = 2036563680.

The previous prime is 6720660239. The next prime is 6720660301.

6720660276 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25456915 + ... + 25457178.

It is an arithmetic number, because the mean of its divisors is an integer number (712797316).

Almost surely, 2^6720660276 is an apocalyptic number.

6720660276 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6720660276 is an abundant number, since it is smaller than the sum of its proper divisors (10386475308).

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

6720660276 is a wasteful number, since it uses less digits than its factorization.

6720660276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50914111 (or 50914109 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 6720660276 is about 81979.6332999849. The cubic root of 6720660276 is about 1887.1393952634.

The spelling of 6720660276 in words is "six billion, seven hundred twenty million, six hundred sixty thousand, two hundred seventy-six".