68011441 has 4 divisors (see below), whose sum is σ = 72012132. Its totient is φ = 64010752.

The previous prime is 68011417. The next prime is 68011477. The reversal of 68011441 is 14411086.

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 32251041 + 35760400 = 5679^2 + 5980^2 .

It is a cyclic number.

It is not a de Polignac number, because 68011441 - 2¹⁹ = 67487153 is a prime.

It is a super-2 number, since 2×68011441² = 9251112213792962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68018441) 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, 2000320 + ... + 2000353.

It is an arithmetic number, because the mean of its divisors is an integer number (18003033).

Almost surely, 2^68011441 is an apocalyptic number.

It is an amenable number.

68011441 is a deficient number, since it is larger than the sum of its proper divisors (4000691).

68011441 is a wasteful number, since it uses less digits than its factorization.

68011441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000690.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 68011441 is about 8246.9049345800. The cubic root of 68011441 is about 408.1884001904.

It can be divided in two parts, 680 and 11441, that added together give a palindrome (12121).

The spelling of 68011441 in words is "sixty-eight million, eleven thousand, four hundred forty-one".