68006943 has 24 divisors (see below), whose sum is σ = 103162800. Its totient is φ = 43110144.

The previous prime is 68006923. The next prime is 68006957. The reversal of 68006943 is 34960086.

It is not a de Polignac number, because 68006943 - 2⁶ = 68006879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68006898 and 68006907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68006923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15543 + ... + 19431.

It is an arithmetic number, because the mean of its divisors is an integer number (4298450).

Almost surely, 2^68006943 is an apocalyptic number.

68006943 is a deficient number, since it is larger than the sum of its proper divisors (35155857).

68006943 is a wasteful number, since it uses less digits than its factorization.

68006943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3991 (or 3988 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68006943 is about 8246.6322217012. The cubic root of 68006943 is about 408.1794013520.

The spelling of 68006943 in words is "sixty-eight million, six thousand, nine hundred forty-three".