728025164 has 48 divisors (see below), whose sum is σ = 1386443520. Its totient is φ = 333453120.

The previous prime is 728025163. The next prime is 728025169. The reversal of 728025164 is 461520827.

It is not an unprimeable number, because it can be changed into a prime (728025161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348467 + ... + 350549.

It is an arithmetic number, because the mean of its divisors is an integer number (28884240).

Almost surely, 2^728025164 is an apocalyptic number.

It is an amenable number.

728025164 is a deficient number, since it is larger than the sum of its proper divisors (658418356).

728025164 is a wasteful number, since it uses less digits than its factorization.

728025164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 728025164 is about 26981.9414423796. The cubic root of 728025164 is about 899.5986539722.

The spelling of 728025164 in words is "seven hundred twenty-eight million, twenty-five thousand, one hundred sixty-four".