720000441 has 16 divisors (see below), whose sum is σ = 1113045120. Its totient is φ = 459130320.

The previous prime is 720000397. The next prime is 720000461. The reversal of 720000441 is 144000027.

It is a happy number.

It is not a de Polignac number, because 720000441 - 2¹¹ = 719998393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (720000461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579090 + ... + 580331.

It is an arithmetic number, because the mean of its divisors is an integer number (69565320).

Almost surely, 2^720000441 is an apocalyptic number.

It is an amenable number.

720000441 is a deficient number, since it is larger than the sum of its proper divisors (393044679).

720000441 is a wasteful number, since it uses less digits than its factorization.

720000441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159453 (or 1159447 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 720000441 is about 26832.8239475460. The cubic root of 720000441 is about 896.2811323021.

Adding to 720000441 its reverse (144000027), we get a palindrome (864000468).

The spelling of 720000441 in words is "seven hundred twenty million, four hundred forty-one", and thus it is an aban number.