3030405073 has 2 divisors, whose sum is σ = 3030405074. Its totient is φ = 3030405072.

The previous prime is 3030405067. The next prime is 3030405097. The reversal of 3030405073 is 3705040303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2797140544 + 233264529 = 52888^2 + 15273^2 .

It is a cyclic number.

It is not a de Polignac number, because 3030405073 - 2¹⁷ = 3030274001 is a prime.

It is not a weakly prime, because it can be changed into another prime (3030405473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515202536 + 1515202537.

It is an arithmetic number, because the mean of its divisors is an integer number (1515202537).

Almost surely, 2^3030405073 is an apocalyptic number.

It is an amenable number.

3030405073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3030405073 is an equidigital number, since it uses as much as digits as its factorization.

3030405073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 25.

The square root of 3030405073 is about 55049.1150973383. The cubic root of 3030405073 is about 1447.1056131956.

Adding to 3030405073 its reverse (3705040303), we get a palindrome (6735445376).

The spelling of 3030405073 in words is "three billion, thirty million, four hundred five thousand, seventy-three".