728318000349 has 24 divisors (see below), whose sum is σ = 1074797942400. Its totient is φ = 475037766528.

The previous prime is 728318000317. The next prime is 728318000359. The reversal of 728318000349 is 943000813827.

It is not a de Polignac number, because 728318000349 - 2⁵ = 728318000317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728318000359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822709 + ... + 1460645.

It is an arithmetic number, because the mean of its divisors is an integer number (44783247600).

Almost surely, 2^728318000349 is an apocalyptic number.

It is an amenable number.

728318000349 is a deficient number, since it is larger than the sum of its proper divisors (346479942051).

728318000349 is a wasteful number, since it uses less digits than its factorization.

728318000349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640689 (or 640686 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 728318000349 in words is "seven hundred twenty-eight billion, three hundred eighteen million, three hundred forty-nine", and thus it is an aban number.