68374843 has 2 divisors, whose sum is σ = 68374844. Its totient is φ = 68374842.

The previous prime is 68374811. The next prime is 68374847. The reversal of 68374843 is 34847386.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68374843 - 2⁵ = 68374811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68374843.

It is not a weakly prime, because it can be changed into another prime (68374847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34187421 + 34187422.

It is an arithmetic number, because the mean of its divisors is an integer number (34187422).

Almost surely, 2^68374843 is an apocalyptic number.

68374843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68374843 is an equidigital number, since it uses as much as digits as its factorization.

68374843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 68374843 is about 8268.9082108825. The cubic root of 68374843 is about 408.9141264348.

The spelling of 68374843 in words is "sixty-eight million, three hundred seventy-four thousand, eight hundred forty-three".