728870160 has 40 divisors (see below), whose sum is σ = 2259498240. Its totient is φ = 194365312.

The previous prime is 728870159. The next prime is 728870173. The reversal of 728870160 is 61078827.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518240 + ... + 1518719.

It is an arithmetic number, because the mean of its divisors is an integer number (56487456).

Almost surely, 2^728870160 is an apocalyptic number.

It is an amenable number.

728870160 is an abundant number, since it is smaller than the sum of its proper divisors (1530628080).

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

728870160 is a wasteful number, since it uses less digits than its factorization.

728870160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036975 (or 3036969 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 728870160 is about 26997.5954484839. The cubic root of 728870160 is about 899.9465647287.

The spelling of 728870160 in words is "seven hundred twenty-eight million, eight hundred seventy thousand, one hundred sixty".