73330013 has 2 divisors, whose sum is σ = 73330014. Its totient is φ = 73330012.

The previous prime is 73329983. The next prime is 73330021. The reversal of 73330013 is 31003337.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65723449 + 7606564 = 8107^2 + 2758^2 .

It is a cyclic number.

It is not a de Polignac number, because 73330013 - 2¹⁰ = 73328989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73330073) 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 as a sum of consecutive naturals, namely, 36665006 + 36665007.

It is an arithmetic number, because the mean of its divisors is an integer number (36665007).

Almost surely, 2^73330013 is an apocalyptic number.

It is an amenable number.

73330013 is a deficient number, since it is larger than the sum of its proper divisors (1).

73330013 is an equidigital number, since it uses as much as digits as its factorization.

73330013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 20.

The square root of 73330013 is about 8563.2945178827. The cubic root of 73330013 is about 418.5627612305.

The spelling of 73330013 in words is "seventy-three million, three hundred thirty thousand, thirteen".