6727901307721 has 8 divisors (see below), whose sum is σ = 7459848842688. Its totient is φ = 6016007130000.

The previous prime is 6727901307709. The next prime is 6727901307737. The reversal of 6727901307721 is 1277031097276.

6727901307721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6727901307721 - 2⁹ = 6727901307209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6727901307791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5013338605 + ... + 5013339946.

It is an arithmetic number, because the mean of its divisors is an integer number (932481105336).

Almost surely, 2^{6727901307721} is an apocalyptic number.

6727901307721 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6727901307721 is a deficient number, since it is larger than the sum of its proper divisors (731947534967).

6727901307721 is a wasteful number, since it uses less digits than its factorization.

6727901307721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026678623.

The product of its (nonzero) digits is 1555848, while the sum is 52.

The spelling of 6727901307721 in words is "six trillion, seven hundred twenty-seven billion, nine hundred one million, three hundred seven thousand, seven hundred twenty-one".