728934625 has 16 divisors (see below), whose sum is σ = 913522896. Its totient is φ = 580704000.

The previous prime is 728934617. The next prime is 728934629. The reversal of 728934625 is 526439827.

728934625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 241584849 + 487349776 = 15543^2 + 22076^2 .

It is not a de Polignac number, because 728934625 - 2³ = 728934617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728934629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18027 + ... + 42223.

It is an arithmetic number, because the mean of its divisors is an integer number (57095181).

Almost surely, 2^728934625 is an apocalyptic number.

It is an amenable number.

728934625 is a deficient number, since it is larger than the sum of its proper divisors (184588271).

728934625 is a wasteful number, since it uses less digits than its factorization.

728934625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24453 (or 24443 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 728934625 is about 26998.7893247086. The cubic root of 728934625 is about 899.9730959036.

It can be divided in two parts, 7289 and 34625, that added together give a palindrome (41914).

The spelling of 728934625 in words is "seven hundred twenty-eight million, nine hundred thirty-four thousand, six hundred twenty-five".