68417743 has 2 divisors, whose sum is σ = 68417744. Its totient is φ = 68417742.

The previous prime is 68417737. The next prime is 68417747. The reversal of 68417743 is 34771486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68417743 - 2²¹ = 66320591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68417696 and 68417705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68417747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34208871 + 34208872.

It is an arithmetic number, because the mean of its divisors is an integer number (34208872).

Almost surely, 2^68417743 is an apocalyptic number.

68417743 is a deficient number, since it is larger than the sum of its proper divisors (1).

68417743 is an equidigital number, since it uses as much as digits as its factorization.

68417743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 68417743 is about 8271.5018587920. The cubic root of 68417743 is about 408.9996293658. Note that the first 3 decimals are identical.

The spelling of 68417743 in words is "sixty-eight million, four hundred seventeen thousand, seven hundred forty-three".