67340659 has 2 divisors, whose sum is σ = 67340660. Its totient is φ = 67340658.

The previous prime is 67340641. The next prime is 67340671. The reversal of 67340659 is 95604376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67340659 - 2⁷ = 67340531 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67340359) 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, 33670329 + 33670330.

It is an arithmetic number, because the mean of its divisors is an integer number (33670330).

Almost surely, 2^67340659 is an apocalyptic number.

67340659 is a deficient number, since it is larger than the sum of its proper divisors (1).

67340659 is an equidigital number, since it uses as much as digits as its factorization.

67340659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 67340659 is about 8206.1354485531. The cubic root of 67340659 is about 406.8420063414.

The spelling of 67340659 in words is "sixty-seven million, three hundred forty thousand, six hundred fifty-nine".