7075316021 has 2 divisors, whose sum is σ = 7075316022. Its totient is φ = 7075316020.

The previous prime is 7075315991. The next prime is 7075316029. The reversal of 7075316021 is 1206135707.

7075316021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6203295121 + 872020900 = 78761^2 + 29530^2 .

It is a cyclic number.

It is not a de Polignac number, because 7075316021 - 2⁶ = 7075315957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7075316029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3537658010 + 3537658011.

It is an arithmetic number, because the mean of its divisors is an integer number (3537658011).

Almost surely, 2^7075316021 is an apocalyptic number.

It is an amenable number.

7075316021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7075316021 is an equidigital number, since it uses as much as digits as its factorization.

7075316021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 7075316021 is about 84114.8977351813. The cubic root of 7075316021 is about 1919.7674071723.

The spelling of 7075316021 in words is "seven billion, seventy-five million, three hundred sixteen thousand, twenty-one".