68573693 has 2 divisors, whose sum is σ = 68573694. Its totient is φ = 68573692.

The previous prime is 68573683. The next prime is 68573723. The reversal of 68573693 is 39637586.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42797764 + 25775929 = 6542^2 + 5077^2 .

It is a cyclic number.

It is not a de Polignac number, because 68573693 - 2⁸ = 68573437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68573663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34286846 + 34286847.

It is an arithmetic number, because the mean of its divisors is an integer number (34286847).

Almost surely, 2^68573693 is an apocalyptic number.

It is an amenable number.

68573693 is a deficient number, since it is larger than the sum of its proper divisors (1).

68573693 is an equidigital number, since it uses as much as digits as its factorization.

68573693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 68573693 is about 8280.9234388442. The cubic root of 68573693 is about 409.3101486766.

The spelling of 68573693 in words is "sixty-eight million, five hundred seventy-three thousand, six hundred ninety-three".