67967069 has 2 divisors, whose sum is σ = 67967070. Its totient is φ = 67967068.

The previous prime is 67967051. The next prime is 67967077. The reversal of 67967069 is 96076976.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55279225 + 12687844 = 7435^2 + 3562^2 .

It is a cyclic number.

It is not a de Polignac number, because 67967069 - 2²⁰ = 66918493 is a prime.

It is a super-2 number, since 2×67967069² = 9239044936901522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67967089) 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, 33983534 + 33983535.

It is an arithmetic number, because the mean of its divisors is an integer number (33983535).

Almost surely, 2^67967069 is an apocalyptic number.

It is an amenable number.

67967069 is a deficient number, since it is larger than the sum of its proper divisors (1).

67967069 is an equidigital number, since it uses as much as digits as its factorization.

67967069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 857304, while the sum is 50.

The square root of 67967069 is about 8244.2142742653. The cubic root of 67967069 is about 408.0996108350.

The spelling of 67967069 in words is "sixty-seven million, nine hundred sixty-seven thousand, sixty-nine".