7021073 has 2 divisors, whose sum is σ = 7021074. Its totient is φ = 7021072.

The previous prime is 7021057. The next prime is 7021081. The reversal of 7021073 is 3701207.

7021073 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., 6512704 + 508369 = 2552^2 + 713^2 .

It is an emirp because it is prime and its reverse (3701207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7021073 - 2⁴ = 7021057 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7021033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510536 + 3510537.

It is an arithmetic number, because the mean of its divisors is an integer number (3510537).

Almost surely, 2^7021073 is an apocalyptic number.

It is an amenable number.

7021073 is a deficient number, since it is larger than the sum of its proper divisors (1).

7021073 is an equidigital number, since it uses as much as digits as its factorization.

7021073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 7021073 is about 2649.7307410377. The cubic root of 7021073 is about 191.4848840630.

The spelling of 7021073 in words is "seven million, twenty-one thousand, seventy-three".