68337743 has 2 divisors, whose sum is σ = 68337744. Its totient is φ = 68337742.

The previous prime is 68337701. The next prime is 68337749. The reversal of 68337743 is 34773386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68337743 - 2⁸ = 68337487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68337743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68337749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34168871 + 34168872.

It is an arithmetic number, because the mean of its divisors is an integer number (34168872).

Almost surely, 2^68337743 is an apocalyptic number.

68337743 is a deficient number, since it is larger than the sum of its proper divisors (1).

68337743 is an equidigital number, since it uses as much as digits as its factorization.

68337743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 41.

The square root of 68337743 is about 8266.6645631718. The cubic root of 68337743 is about 408.8401544976.

The spelling of 68337743 in words is "sixty-eight million, three hundred thirty-seven thousand, seven hundred forty-three".