68804441 has 4 divisors (see below), whose sum is σ = 70102692. Its totient is φ = 67506192.

The previous prime is 68804399. The next prime is 68804459. The reversal of 68804441 is 14440886.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14440886 = 2 ⋅7220443.

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 22278400 = 6821^2 + 4720^2 .

It is a cyclic number.

It is not a de Polignac number, because 68804441 - 2¹⁰ = 68803417 is a prime.

It is a super-2 number, since 2×68804441² = 9468102202644962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68804341) 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, 649046 + ... + 649151.

It is an arithmetic number, because the mean of its divisors is an integer number (17525673).

Almost surely, 2^68804441 is an apocalyptic number.

It is an amenable number.

68804441 is a deficient number, since it is larger than the sum of its proper divisors (1298251).

68804441 is a wasteful number, since it uses less digits than its factorization.

68804441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298250.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 68804441 is about 8294.8442420578. The cubic root of 68804441 is about 409.7687393022.

The spelling of 68804441 in words is "sixty-eight million, eight hundred four thousand, four hundred forty-one".