68243441 has 4 divisors (see below), whose sum is σ = 77992512. Its totient is φ = 58494372.

The previous prime is 68243419. The next prime is 68243447. The reversal of 68243441 is 14434286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68243441 - 2¹⁰ = 68242417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68243398 and 68243407.

It is not an unprimeable number, because it can be changed into a prime (68243447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874525 + ... + 4874538.

It is an arithmetic number, because the mean of its divisors is an integer number (19498128).

Almost surely, 2^68243441 is an apocalyptic number.

It is an amenable number.

68243441 is a deficient number, since it is larger than the sum of its proper divisors (9749071).

68243441 is an equidigital number, since it uses as much as digits as its factorization.

68243441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749070.

The product of its digits is 18432, while the sum is 32.

The square root of 68243441 is about 8260.9588426526. The cubic root of 68243441 is about 408.6520096041.

The spelling of 68243441 in words is "sixty-eight million, two hundred forty-three thousand, four hundred forty-one".