6721268707 has 8 divisors (see below), whose sum is σ = 6907829696. Its totient is φ = 6534965952.

The previous prime is 6721268683. The next prime is 6721268711. The reversal of 6721268707 is 7078621276.

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 6721268707 - 2³¹ = 4573785059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6721268737) 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, 11178 + ... + 116479.

It is an arithmetic number, because the mean of its divisors is an integer number (863478712).

Almost surely, 2^6721268707 is an apocalyptic number.

6721268707 is a deficient number, since it is larger than the sum of its proper divisors (186560989).

6721268707 is a wasteful number, since it uses less digits than its factorization.

6721268707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129117.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 6721268707 is about 81983.3440828075. The cubic root of 6721268707 is about 1887.1963420224.

The spelling of 6721268707 in words is "six billion, seven hundred twenty-one million, two hundred sixty-eight thousand, seven hundred seven".