68845943 has 8 divisors (see below), whose sum is σ = 69760656. Its totient is φ = 67936000.

The previous prime is 68845939. The next prime is 68845957. The reversal of 68845943 is 34954886.

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 68845943 - 2² = 68845939 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68845243) 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, 34688 + ... + 36618.

It is an arithmetic number, because the mean of its divisors is an integer number (8720082).

Almost surely, 2^68845943 is an apocalyptic number.

68845943 is a deficient number, since it is larger than the sum of its proper divisors (914713).

68845943 is a wasteful number, since it uses less digits than its factorization.

68845943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385.

The product of its digits is 829440, while the sum is 47.

The square root of 68845943 is about 8297.3455393879. The cubic root of 68845943 is about 409.8511119117.

The spelling of 68845943 in words is "sixty-eight million, eight hundred forty-five thousand, nine hundred forty-three".