67068743773 has 2 divisors, whose sum is σ = 67068743774. Its totient is φ = 67068743772.

The previous prime is 67068743711. The next prime is 67068743789. The reversal of 67068743773 is 37734786076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54586715044 + 12482028729 = 233638^2 + 111723^2 .

It is a cyclic number.

It is not a de Polignac number, because 67068743773 - 2²⁵ = 67035189341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67068443773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33534371886 + 33534371887.

It is an arithmetic number, because the mean of its divisors is an integer number (33534371887).

Almost surely, 2^67068743773 is an apocalyptic number.

It is an amenable number.

67068743773 is a deficient number, since it is larger than the sum of its proper divisors (1).

67068743773 is an equidigital number, since it uses as much as digits as its factorization.

67068743773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24893568, while the sum is 58.

The spelling of 67068743773 in words is "sixty-seven billion, sixty-eight million, seven hundred forty-three thousand, seven hundred seventy-three".