6750021071 has 16 divisors (see below), whose sum is σ = 7476235200. Its totient is φ = 6061744128.

The previous prime is 6750021067. The next prime is 6750021079. The reversal of 6750021071 is 1701200576.

It is not a de Polignac number, because 6750021071 - 2² = 6750021067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6750021079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138815 + ... + 181023.

It is an arithmetic number, because the mean of its divisors is an integer number (467264700).

Almost surely, 2^6750021071 is an apocalyptic number.

6750021071 is a deficient number, since it is larger than the sum of its proper divisors (726214129).

6750021071 is a wasteful number, since it uses less digits than its factorization.

6750021071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42658.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 6750021071 is about 82158.5118596972. The cubic root of 6750021071 is about 1889.8835413437.

The spelling of 6750021071 in words is "six billion, seven hundred fifty million, twenty-one thousand, seventy-one".