728754 has 16 divisors (see below), whose sum is σ = 1569792. Its totient is φ = 224208.

The previous prime is 728747. The next prime is 728771. The reversal of 728754 is 457827.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 728754.

It is an unprimeable 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, 4594 + ... + 4749.

It is an arithmetic number, because the mean of its divisors is an integer number (98112).

2⁷²⁸⁷⁵⁴ is an apocalyptic number.

728754 is an abundant number, since it is smaller than the sum of its proper divisors (841038).

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

728754 is a wasteful number, since it uses less digits than its factorization.

728754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361.

The product of its digits is 15680, while the sum is 33.

The square root of 728754 is about 853.6708967746. The cubic root of 728754 is about 89.9898754043.

The spelling of 728754 in words is "seven hundred twenty-eight thousand, seven hundred fifty-four".