67386349 has 2 divisors, whose sum is σ = 67386350. Its totient is φ = 67386348.

The previous prime is 67386311. The next prime is 67386367. The reversal of 67386349 is 94368376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 310249 = 8190^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 67386349 - 2¹¹ = 67384301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67386299 and 67386308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67386149) 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, 33693174 + 33693175.

It is an arithmetic number, because the mean of its divisors is an integer number (33693175).

Almost surely, 2^67386349 is an apocalyptic number.

It is an amenable number.

67386349 is a deficient number, since it is larger than the sum of its proper divisors (1).

67386349 is an equidigital number, since it uses as much as digits as its factorization.

67386349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 46.

The square root of 67386349 is about 8208.9188691325. The cubic root of 67386349 is about 406.9339983567.

The spelling of 67386349 in words is "sixty-seven million, three hundred eighty-six thousand, three hundred forty-nine".