6721763260 has 24 divisors (see below), whose sum is σ = 14602452480. Its totient is φ = 2595991104.

The previous prime is 6721763149. The next prime is 6721763281. The reversal of 6721763260 is 623671276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794044 + ... + 5795203.

It is an arithmetic number, because the mean of its divisors is an integer number (608435520).

Almost surely, 2^6721763260 is an apocalyptic number.

It is an amenable number.

6721763260 is an abundant number, since it is smaller than the sum of its proper divisors (7880689220).

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

6721763260 is a wasteful number, since it uses less digits than its factorization.

6721763260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589285 (or 11589283 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 6721763260 is about 81986.3602070491. The cubic root of 6721763260 is about 1887.2426277145.

The spelling of 6721763260 in words is "six billion, seven hundred twenty-one million, seven hundred sixty-three thousand, two hundred sixty".