68793013 has 2 divisors, whose sum is σ = 68793014. Its totient is φ = 68793012.

The previous prime is 68792981. The next prime is 68793029. The reversal of 68793013 is 31039786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47651409 + 21141604 = 6903^2 + 4598^2 .

It is a cyclic number.

It is not a de Polignac number, because 68793013 - 2⁵ = 68792981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68793073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34396506 + 34396507.

It is an arithmetic number, because the mean of its divisors is an integer number (34396507).

Almost surely, 2^68793013 is an apocalyptic number.

It is an amenable number.

68793013 is a deficient number, since it is larger than the sum of its proper divisors (1).

68793013 is an equidigital number, since it uses as much as digits as its factorization.

68793013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 68793013 is about 8294.1553518125. The cubic root of 68793013 is about 409.7460513460.

The spelling of 68793013 in words is "sixty-eight million, seven hundred ninety-three thousand, thirteen".