68563673 has 2 divisors, whose sum is σ = 68563674. Its totient is φ = 68563672.

The previous prime is 68563657. The next prime is 68563679. The reversal of 68563673 is 37636586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47293129 + 21270544 = 6877^2 + 4612^2 .

It is a cyclic number.

It is not a de Polignac number, because 68563673 - 2⁴ = 68563657 is a prime.

It is not a weakly prime, because it can be changed into another prime (68563679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34281836 + 34281837.

It is an arithmetic number, because the mean of its divisors is an integer number (34281837).

Almost surely, 2^68563673 is an apocalyptic number.

It is an amenable number.

68563673 is a deficient number, since it is larger than the sum of its proper divisors (1).

68563673 is an equidigital number, since it uses as much as digits as its factorization.

68563673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 68563673 is about 8280.3184117521. The cubic root of 68563673 is about 409.2902115487.

The spelling of 68563673 in words is "sixty-eight million, five hundred sixty-three thousand, six hundred seventy-three".