73068013 has 2 divisors, whose sum is σ = 73068014. Its totient is φ = 73068012.

The previous prime is 73067983. The next prime is 73068031. The reversal of 73068013 is 31086037.

Together with next prime (73068031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72897444 + 170569 = 8538^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 73068013 - 2¹³ = 73059821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73068113) 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, 36534006 + 36534007.

It is an arithmetic number, because the mean of its divisors is an integer number (36534007).

Almost surely, 2^73068013 is an apocalyptic number.

It is an amenable number.

73068013 is a deficient number, since it is larger than the sum of its proper divisors (1).

73068013 is an equidigital number, since it uses as much as digits as its factorization.

73068013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 73068013 is about 8547.9829784575. The cubic root of 73068013 is about 418.0636735950.

The spelling of 73068013 in words is "seventy-three million, sixty-eight thousand, thirteen".