68843378 has 6 divisors (see below), whose sum is σ = 103282671. Its totient is φ = 34415822.

The previous prime is 68843351. The next prime is 68843389. The reversal of 68843378 is 87334886.

It can be written as a sum of positive squares in only one way, i.e., 34421689 + 34421689 = 5867^2 + 5867^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5867.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8801 + ... + 14667.

Almost surely, 2^68843378 is an apocalyptic number.

68843378 is a deficient number, since it is larger than the sum of its proper divisors (34439293).

68843378 is an frugal number, since it uses more digits than its factorization.

68843378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736 (or 5869 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 68843378 is about 8297.1909704429. The cubic root of 68843378 is about 409.8460218942.

The spelling of 68843378 in words is "sixty-eight million, eight hundred forty-three thousand, three hundred seventy-eight".