68277743 has 2 divisors, whose sum is σ = 68277744. Its totient is φ = 68277742.

The previous prime is 68277739. The next prime is 68277767. The reversal of 68277743 is 34777286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68277743 - 2² = 68277739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68277694 and 68277703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68277733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34138871 + 34138872.

It is an arithmetic number, because the mean of its divisors is an integer number (34138872).

Almost surely, 2^68277743 is an apocalyptic number.

68277743 is a deficient number, since it is larger than the sum of its proper divisors (1).

68277743 is an equidigital number, since it uses as much as digits as its factorization.

68277743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 44.

The square root of 68277743 is about 8263.0347330748. The cubic root of 68277743 is about 408.7204666508.

The spelling of 68277743 in words is "sixty-eight million, two hundred seventy-seven thousand, seven hundred forty-three".