68319441 has 12 divisors (see below), whose sum is σ = 98755332. Its totient is φ = 45513216.

The previous prime is 68319409. The next prime is 68319457. The reversal of 68319441 is 14491386.

It can be written as a sum of positive squares in 2 ways, for example, as 45279441 + 23040000 = 6729^2 + 4800^2 .

It is not a de Polignac number, because 68319441 - 2⁵ = 68319409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68319396 and 68319405.

It is not an unprimeable number, because it can be changed into a prime (68312441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22485 + ... + 25341.

It is an arithmetic number, because the mean of its divisors is an integer number (8229611).

Almost surely, 2^68319441 is an apocalyptic number.

It is an amenable number.

68319441 is a deficient number, since it is larger than the sum of its proper divisors (30435891).

68319441 is a wasteful number, since it uses less digits than its factorization.

68319441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520 (or 5517 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 68319441 is about 8265.5575129570. The cubic root of 68319441 is about 408.8036531428.

The spelling of 68319441 in words is "sixty-eight million, three hundred nineteen thousand, four hundred forty-one".