67713337 has 2 divisors, whose sum is σ = 67713338. Its totient is φ = 67713336.

The previous prime is 67713271. The next prime is 67713343. The reversal of 67713337 is 73331776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67502656 + 210681 = 8216^2 + 459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67713337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67713296 and 67713305.

It is not a weakly prime, because it can be changed into another prime (67713137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33856668 + 33856669.

It is an arithmetic number, because the mean of its divisors is an integer number (33856669).

Almost surely, 2^67713337 is an apocalyptic number.

It is an amenable number.

67713337 is a deficient number, since it is larger than the sum of its proper divisors (1).

67713337 is an equidigital number, since it uses as much as digits as its factorization.

67713337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55566, while the sum is 37.

The square root of 67713337 is about 8228.8113965505. The cubic root of 67713337 is about 407.5911437514.

The spelling of 67713337 in words is "sixty-seven million, seven hundred thirteen thousand, three hundred thirty-seven".