68875844 has 12 divisors (see below), whose sum is σ = 120773100. Its totient is φ = 34369248.

The previous prime is 68875843. The next prime is 68875847. The reversal of 68875844 is 44857886.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 15760900 = 7288^2 + 3970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68875792 and 68875801.

It is not an unprimeable number, because it can be changed into a prime (68875843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14879 + ... + 18950.

It is an arithmetic number, because the mean of its divisors is an integer number (10064425).

Almost surely, 2^68875844 is an apocalyptic number.

It is an amenable number.

68875844 is a deficient number, since it is larger than the sum of its proper divisors (51897256).

68875844 is a wasteful number, since it uses less digits than its factorization.

68875844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34342 (or 34340 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The square root of 68875844 is about 8299.1471851028. The cubic root of 68875844 is about 409.9104384980.

The spelling of 68875844 in words is "sixty-eight million, eight hundred seventy-five thousand, eight hundred forty-four".