720834441 has 16 divisors (see below), whose sum is σ = 996225024. Its totient is φ = 463305744.

The previous prime is 720834431. The next prime is 720834509. The reversal of 720834441 is 144438027.

It is not a de Polignac number, because 720834441 - 2⁵ = 720834409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (720834431) 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, 28705 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (62264064).

Almost surely, 2^720834441 is an apocalyptic number.

It is an amenable number.

720834441 is a deficient number, since it is larger than the sum of its proper divisors (275390583).

720834441 is a wasteful number, since it uses less digits than its factorization.

720834441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76420.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 720834441 is about 26848.3601175193. The cubic root of 720834441 is about 896.6270626609.

The spelling of 720834441 in words is "seven hundred twenty million, eight hundred thirty-four thousand, four hundred forty-one".