704627728 has 20 divisors (see below), whose sum is σ = 1560247360. Its totient is φ = 301983264.

The previous prime is 704627723. The next prime is 704627731. The reversal of 704627728 is 827726407.

704627728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (704627723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145548 + ... + 3145771.

It is an arithmetic number, because the mean of its divisors is an integer number (78012368).

Almost surely, 2^704627728 is an apocalyptic number.

It is an amenable number.

704627728 is an abundant number, since it is smaller than the sum of its proper divisors (855619632).

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

704627728 is a wasteful number, since it uses less digits than its factorization.

704627728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291334 (or 6291328 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 704627728 is about 26544.8248816978. The cubic root of 704627728 is about 889.8563619559.

The spelling of 704627728 in words is "seven hundred four million, six hundred twenty-seven thousand, seven hundred twenty-eight".