68662933 has 2 divisors, whose sum is σ = 68662934. Its totient is φ = 68662932.

The previous prime is 68662927. The next prime is 68662943. The reversal of 68662933 is 33926686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44916804 + 23746129 = 6702^2 + 4873^2 .

It is a cyclic number.

It is not a de Polignac number, because 68662933 - 2⁵ = 68662901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68662933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68662943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34331466 + 34331467.

It is an arithmetic number, because the mean of its divisors is an integer number (34331467).

Almost surely, 2^68662933 is an apocalyptic number.

It is an amenable number.

68662933 is a deficient number, since it is larger than the sum of its proper divisors (1).

68662933 is an equidigital number, since it uses as much as digits as its factorization.

68662933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 68662933 is about 8286.3099748923. The cubic root of 68662933 is about 409.4876268635.

The spelling of 68662933 in words is "sixty-eight million, six hundred sixty-two thousand, nine hundred thirty-three".