728034 has 16 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 239120.

The previous prime is 728027. The next prime is 728047. The reversal of 728034 is 430827.

It is a junction number, because it is equal to n+sod(n) for n = 727995 and 728013.

It is an unprimeable number.

728034 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (92340).

2⁷²⁸⁰³⁴ is an apocalyptic number.

728034 is an abundant number, since it is smaller than the sum of its proper divisors (749406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728034 is a wasteful number, since it uses less digits than its factorization.

728034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 728034 is about 853.2490843827. The cubic root of 728034 is about 89.9602293417.

The spelling of 728034 in words is "seven hundred twenty-eight thousand, thirty-four".