68662793 has 2 divisors, whose sum is σ = 68662794. Its totient is φ = 68662792.

The previous prime is 68662757. The next prime is 68662801. The reversal of 68662793 is 39726686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67289209 + 1373584 = 8203^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 68662793 - 2²² = 64468489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68662703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34331396 + 34331397.

It is an arithmetic number, because the mean of its divisors is an integer number (34331397).

Almost surely, 2^68662793 is an apocalyptic number.

It is an amenable number.

68662793 is a deficient number, since it is larger than the sum of its proper divisors (1).

68662793 is an equidigital number, since it uses as much as digits as its factorization.

68662793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 68662793 is about 8286.3015272195. The cubic root of 68662793 is about 409.4873485556.

The spelling of 68662793 in words is "sixty-eight million, six hundred sixty-two thousand, seven hundred ninety-three".