6750246721 has 8 divisors (see below), whose sum is σ = 6819753600. Its totient is φ = 6680877840.

The previous prime is 6750246707. The next prime is 6750246743. The reversal of 6750246721 is 1276420576.

6750246721 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 6750246721 - 2⁵ = 6750246689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6750246751) 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, 65310 + ... + 133288.

It is an arithmetic number, because the mean of its divisors is an integer number (852469200).

Almost surely, 2^6750246721 is an apocalyptic number.

It is an amenable number.

6750246721 is a deficient number, since it is larger than the sum of its proper divisors (69506879).

6750246721 is a wasteful number, since it uses less digits than its factorization.

6750246721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68999.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 6750246721 is about 82159.8851082449. The cubic root of 6750246721 is about 1889.9046004122.

The spelling of 6750246721 in words is "six billion, seven hundred fifty million, two hundred forty-six thousand, seven hundred twenty-one".