728484717 has 16 divisors (see below), whose sum is σ = 1003368960. Its totient is φ = 469651200.

The previous prime is 728484709. The next prime is 728484781. The reversal of 728484717 is 717484827.

It is not a de Polignac number, because 728484717 - 2³ = 728484709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728484787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225409 + ... + 228617.

It is an arithmetic number, because the mean of its divisors is an integer number (62710560).

Almost surely, 2^728484717 is an apocalyptic number.

It is an amenable number.

728484717 is a deficient number, since it is larger than the sum of its proper divisors (274884243).

728484717 is a wasteful number, since it uses less digits than its factorization.

728484717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5684.

The product of its digits is 702464, while the sum is 48.

The square root of 728484717 is about 26990.4560354211. The cubic root of 728484717 is about 899.7878994015.

The spelling of 728484717 in words is "seven hundred twenty-eight million, four hundred eighty-four thousand, seven hundred seventeen".