728678104 has 32 divisors (see below), whose sum is σ = 1703404800. Its totient is φ = 283900320.

The previous prime is 728678087. The next prime is 728678107. The reversal of 728678104 is 401876827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728678107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590844 + ... + 592075.

It is an arithmetic number, because the mean of its divisors is an integer number (53231400).

Almost surely, 2^728678104 is an apocalyptic number.

It is an amenable number.

728678104 is an abundant number, since it is smaller than the sum of its proper divisors (974726696).

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

728678104 is a wasteful number, since it uses less digits than its factorization.

728678104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182943 (or 1182939 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 728678104 is about 26994.0383047813. The cubic root of 728678104 is about 899.8675130081.

The spelling of 728678104 in words is "seven hundred twenty-eight million, six hundred seventy-eight thousand, one hundred four".