68375743 has 2 divisors, whose sum is σ = 68375744. Its totient is φ = 68375742.

The previous prime is 68375689. The next prime is 68375753. The reversal of 68375743 is 34757386.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68375743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68375743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68375753) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34187871 + 34187872.

It is an arithmetic number, because the mean of its divisors is an integer number (34187872).

Almost surely, 2^68375743 is an apocalyptic number.

68375743 is a deficient number, since it is larger than the sum of its proper divisors (1).

68375743 is an equidigital number, since it uses as much as digits as its factorization.

68375743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 43.

The square root of 68375743 is about 8268.9626314309. The cubic root of 68375743 is about 408.9159205698.

The spelling of 68375743 in words is "sixty-eight million, three hundred seventy-five thousand, seven hundred forty-three".