68349743 has 8 divisors (see below), whose sum is σ = 85215360. Its totient is φ = 53259480.

The previous prime is 68349731. The next prime is 68349779. The reversal of 68349743 is 34794386.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68349743 - 2⁶ = 68349679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68349694 and 68349703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68349343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443753 + ... + 443906.

It is an arithmetic number, because the mean of its divisors is an integer number (10651920).

Almost surely, 2^68349743 is an apocalyptic number.

68349743 is a deficient number, since it is larger than the sum of its proper divisors (16865617).

68349743 is a wasteful number, since it uses less digits than its factorization.

68349743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887677.

The product of its digits is 435456, while the sum is 44.

The square root of 68349743 is about 8267.3903379482. The cubic root of 68349743 is about 408.8640836593.

The spelling of 68349743 in words is "sixty-eight million, three hundred forty-nine thousand, seven hundred forty-three".