68355841 has 4 divisors (see below), whose sum is σ = 68409684. Its totient is φ = 68302000.

The previous prime is 68355823. The next prime is 68355869. The reversal of 68355841 is 14855386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32535616 + 35820225 = 5704^2 + 5985^2 .

It is a cyclic number.

It is not a de Polignac number, because 68355841 - 2⁵ = 68355809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68355794 and 68355803.

It is not an unprimeable number, because it can be changed into a prime (68355811) 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, 24970 + ... + 27571.

It is an arithmetic number, because the mean of its divisors is an integer number (17102421).

Almost surely, 2^68355841 is an apocalyptic number.

It is an amenable number.

68355841 is a deficient number, since it is larger than the sum of its proper divisors (53843).

68355841 is a wasteful number, since it uses less digits than its factorization.

68355841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53842.

The product of its digits is 115200, while the sum is 40.

The square root of 68355841 is about 8267.7591280830. The cubic root of 68355841 is about 408.8762425884.

It can be divided in two parts, 68355 and 841, that added together give a palindrome (69196).

The spelling of 68355841 in words is "sixty-eight million, three hundred fifty-five thousand, eight hundred forty-one".