68068673 has 2 divisors, whose sum is σ = 68068674. Its totient is φ = 68068672.

The previous prime is 68068669. The next prime is 68068681. The reversal of 68068673 is 37686086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 24930049 = 6568^2 + 4993^2 .

It is a cyclic number.

It is not a de Polignac number, because 68068673 - 2² = 68068669 is a prime.

It is not a weakly prime, because it can be changed into another prime (68068603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34034336 + 34034337.

It is an arithmetic number, because the mean of its divisors is an integer number (34034337).

Almost surely, 2^68068673 is an apocalyptic number.

It is an amenable number.

68068673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68068673 is an equidigital number, since it uses as much as digits as its factorization.

68068673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 68068673 is about 8250.3741127297. The cubic root of 68068673 is about 408.3028656799.

The spelling of 68068673 in words is "sixty-eight million, sixty-eight thousand, six hundred seventy-three".