728979050 has 12 divisors (see below), whose sum is σ = 1355901126. Its totient is φ = 291591600.

The previous prime is 728979037. The next prime is 728979059. The reversal of 728979050 is 50979827.

It can be written as a sum of positive squares in 3 ways, for example, as 556818409 + 172160641 = 23597^2 + 13121^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 728978986 and 728979004.

It is not an unprimeable number, because it can be changed into a prime (728979059) 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 5 ways as a sum of consecutive naturals, for example, 7289741 + ... + 7289840.

Almost surely, 2^728979050 is an apocalyptic number.

728979050 is a deficient number, since it is larger than the sum of its proper divisors (626922076).

728979050 is a wasteful number, since it uses less digits than its factorization.

728979050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14579593 (or 14579588 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 728979050 is about 26999.6120342497. The cubic root of 728979050 is about 899.9913785182.

The spelling of 728979050 in words is "seven hundred twenty-eight million, nine hundred seventy-nine thousand, fifty".