67040317 has 2 divisors, whose sum is σ = 67040318. Its totient is φ = 67040316.

The previous prime is 67040291. The next prime is 67040327. The reversal of 67040317 is 71304076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 111556 = 8181^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 67040317 - 2¹⁹ = 66516029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67040327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33520158 + 33520159.

It is an arithmetic number, because the mean of its divisors is an integer number (33520159).

Almost surely, 2^67040317 is an apocalyptic number.

It is an amenable number.

67040317 is a deficient number, since it is larger than the sum of its proper divisors (1).

67040317 is an equidigital number, since it uses as much as digits as its factorization.

67040317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 67040317 is about 8187.8151542399. The cubic root of 67040317 is about 406.2362610896.

The spelling of 67040317 in words is "sixty-seven million, forty thousand, three hundred seventeen".