68353845 has 32 divisors (see below), whose sum is σ = 125674752. Its totient is φ = 31076352.

The previous prime is 68353843. The next prime is 68353867. The reversal of 68353845 is 54835386.

It is not a de Polignac number, because 68353845 - 2¹ = 68353843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68353797 and 68353806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68353843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18579 + ... + 21951.

It is an arithmetic number, because the mean of its divisors is an integer number (3927336).

Almost surely, 2^68353845 is an apocalyptic number.

It is an amenable number.

68353845 is a deficient number, since it is larger than the sum of its proper divisors (57320907).

68353845 is a wasteful number, since it uses less digits than its factorization.

68353845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its digits is 345600, while the sum is 42.

The square root of 68353845 is about 8267.6384173475. The cubic root of 68353845 is about 408.8722628021.

The spelling of 68353845 in words is "sixty-eight million, three hundred fifty-three thousand, eight hundred forty-five".