67320067 has 2 divisors, whose sum is σ = 67320068. Its totient is φ = 67320066.

The previous prime is 67320061. The next prime is 67320083. The reversal of 67320067 is 76002376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67320067 - 2⁷ = 67319939 is a prime.

It is not a weakly prime, because it can be changed into another prime (67320061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33660033 + 33660034.

It is an arithmetic number, because the mean of its divisors is an integer number (33660034).

Almost surely, 2^67320067 is an apocalyptic number.

67320067 is a deficient number, since it is larger than the sum of its proper divisors (1).

67320067 is an equidigital number, since it uses as much as digits as its factorization.

67320067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 67320067 is about 8204.8806816431. The cubic root of 67320067 is about 406.8005329097.

The spelling of 67320067 in words is "sixty-seven million, three hundred twenty thousand, sixty-seven".