68393043 has 24 divisors (see below), whose sum is σ = 102626160. Its totient is φ = 43856640.

The previous prime is 68393041. The next prime is 68393063. The reversal of 68393043 is 34039386.

It is not a de Polignac number, because 68393043 - 2¹ = 68393041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68392989 and 68393007.

It is not an unprimeable number, because it can be changed into a prime (68393041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25668 + ... + 28206.

It is an arithmetic number, because the mean of its divisors is an integer number (4276090).

Almost surely, 2^68393043 is an apocalyptic number.

68393043 is a deficient number, since it is larger than the sum of its proper divisors (34233117).

68393043 is a wasteful number, since it uses less digits than its factorization.

68393043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659 (or 2656 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 68393043 is about 8270.0086457029. The cubic root of 68393043 is about 408.9504047722.

The spelling of 68393043 in words is "sixty-eight million, three hundred ninety-three thousand, forty-three".