728752 has 20 divisors (see below), whose sum is σ = 1451296. Its totient is φ = 354240.

The previous prime is 728747. The next prime is 728771. The reversal of 728752 is 257827.

728752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24 + ... + 1207.

2⁷²⁸⁷⁵² is an apocalyptic number.

It is an amenable number.

728752 is a deficient number, since it is larger than the sum of its proper divisors (722544).

728752 is a wasteful number, since it uses less digits than its factorization.

728752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1270 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 728752 is about 853.6697253622. The cubic root of 728752 is about 89.9897930812.

The spelling of 728752 in words is "seven hundred twenty-eight thousand, seven hundred fifty-two".