67604612017 has 2 divisors, whose sum is σ = 67604612018. Its totient is φ = 67604612016.

The previous prime is 67604612003. The next prime is 67604612021. The reversal of 67604612017 is 71021640676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34950676401 + 32653935616 = 186951^2 + 180704^2 .

It is a cyclic number.

It is not a de Polignac number, because 67604612017 - 2⁷ = 67604611889 is a prime.

It is not a weakly prime, because it can be changed into another prime (67604615017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33802306008 + 33802306009.

It is an arithmetic number, because the mean of its divisors is an integer number (33802306009).

Almost surely, 2^67604612017 is an apocalyptic number.

It is an amenable number.

67604612017 is a deficient number, since it is larger than the sum of its proper divisors (1).

67604612017 is an equidigital number, since it uses as much as digits as its factorization.

67604612017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 67604612017 in words is "sixty-seven billion, six hundred four million, six hundred twelve thousand, seventeen".