728341704 has 96 divisors (see below), whose sum is σ = 2035463040. Its totient is φ = 235152000.

The previous prime is 728341703. The next prime is 728341709. The reversal of 728341704 is 407143827.

It is a happy number.

728341704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (728341703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340719 + ... + 342849.

It is an arithmetic number, because the mean of its divisors is an integer number (21202740).

Almost surely, 2^728341704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 728341704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1017731520).

728341704 is an abundant number, since it is smaller than the sum of its proper divisors (1307121336).

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

728341704 is a wasteful number, since it uses less digits than its factorization.

728341704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 728341704 is about 26987.8065800094. The cubic root of 728341704 is about 899.7290147122.

The spelling of 728341704 in words is "seven hundred twenty-eight million, three hundred forty-one thousand, seven hundred four".