728857048 has 32 divisors (see below), whose sum is σ = 1453431600. Its totient is φ = 341466112.

The previous prime is 728857013. The next prime is 728857057. The reversal of 728857048 is 840758827.

It is a junction number, because it is equal to n+sod(n) for n = 728856992 and 728857010.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19068 + ... + 42676.

Almost surely, 2^728857048 is an apocalyptic number.

It is an amenable number.

728857048 is a deficient number, since it is larger than the sum of its proper divisors (724574552).

728857048 is a wasteful number, since it uses less digits than its factorization.

728857048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859 (or 23855 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 49.

The square root of 728857048 is about 26997.3526109506. The cubic root of 728857048 is about 899.9411681708.

The spelling of 728857048 in words is "seven hundred twenty-eight million, eight hundred fifty-seven thousand, forty-eight".