720068443 has 2 divisors, whose sum is σ = 720068444. Its totient is φ = 720068442.

The previous prime is 720068417. The next prime is 720068449. The reversal of 720068443 is 344860027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 720068443 - 2¹³ = 720060251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720068399 and 720068408.

It is not a weakly prime, because it can be changed into another prime (720068449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360034221 + 360034222.

It is an arithmetic number, because the mean of its divisors is an integer number (360034222).

Almost surely, 2^720068443 is an apocalyptic number.

720068443 is a deficient number, since it is larger than the sum of its proper divisors (1).

720068443 is an equidigital number, since it uses as much as digits as its factorization.

720068443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 720068443 is about 26834.0910596949. The cubic root of 720068443 is about 896.3093484843.

The spelling of 720068443 in words is "seven hundred twenty million, sixty-eight thousand, four hundred forty-three".