68573663 has 2 divisors, whose sum is σ = 68573664. Its totient is φ = 68573662.

The previous prime is 68573657. The next prime is 68573683. The reversal of 68573663 is 36637586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68573663 - 2⁶ = 68573599 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68573683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34286831 + 34286832.

It is an arithmetic number, because the mean of its divisors is an integer number (34286832).

Almost surely, 2^68573663 is an apocalyptic number.

68573663 is a deficient number, since it is larger than the sum of its proper divisors (1).

68573663 is an equidigital number, since it uses as much as digits as its factorization.

68573663 is an odious number, because the sum of its binary digits is odd.

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

The square root of 68573663 is about 8280.9216274519. The cubic root of 68573663 is about 409.3100889875.

The spelling of 68573663 in words is "sixty-eight million, five hundred seventy-three thousand, six hundred sixty-three".