68023733 has 2 divisors, whose sum is σ = 68023734. Its totient is φ = 68023732.

The previous prime is 68023699. The next prime is 68023741. The reversal of 68023733 is 33732086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61434244 + 6589489 = 7838^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 68023733 - 2²² = 63829429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68023733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68023793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34011866 + 34011867.

It is an arithmetic number, because the mean of its divisors is an integer number (34011867).

Almost surely, 2^68023733 is an apocalyptic number.

It is an amenable number.

68023733 is a deficient number, since it is larger than the sum of its proper divisors (1).

68023733 is an equidigital number, since it uses as much as digits as its factorization.

68023733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 68023733 is about 8247.6501501943. The cubic root of 68023733 is about 408.2129899236.

The spelling of 68023733 in words is "sixty-eight million, twenty-three thousand, seven hundred thirty-three".