728536719 has 16 divisors (see below), whose sum is σ = 980876160. Its totient is φ = 480960480.

The previous prime is 728536693. The next prime is 728536723. The reversal of 728536719 is 917635827.

It is not a de Polignac number, because 728536719 - 2⁵ = 728536687 is a prime.

It is a super-2 number, since 2×728536719² = 1061531501862569922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728536759) 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, 213277 + ... + 216665.

It is an arithmetic number, because the mean of its divisors is an integer number (61304760).

Almost surely, 2^728536719 is an apocalyptic number.

728536719 is a deficient number, since it is larger than the sum of its proper divisors (252339441).

728536719 is a wasteful number, since it uses less digits than its factorization.

728536719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its digits is 635040, while the sum is 48.

The square root of 728536719 is about 26991.4193587518. The cubic root of 728536719 is about 899.8093089822.

The spelling of 728536719 in words is "seven hundred twenty-eight million, five hundred thirty-six thousand, seven hundred nineteen".