2002000073 has 2 divisors, whose sum is σ = 2002000074. Its totient is φ = 2002000072.

The previous prime is 2002000069. The next prime is 2002000081. The reversal of 2002000073 is 3700002002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1551414544 + 450585529 = 39388^2 + 21227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002000073 - 2² = 2002000069 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002200073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001000036 + 1001000037.

It is an arithmetic number, because the mean of its divisors is an integer number (1001000037).

Almost surely, 2^2002000073 is an apocalyptic number.

It is an amenable number.

2002000073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002000073 is an equidigital number, since it uses as much as digits as its factorization.

2002000073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 2002000073 is about 44743.7154581512. The cubic root of 2002000073 is about 1260.3408989835.

Adding to 2002000073 its reverse (3700002002), we get a palindrome (5702002075).

The spelling of 2002000073 in words is "two billion, two million, seventy-three", and thus it is an aban number and an uban number.