728145960 has 64 divisors (see below), whose sum is σ = 2279422080. Its totient is φ = 185729280.

The previous prime is 728145941. The next prime is 728145973. The reversal of 728145960 is 69541827.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129151 + ... + 134670.

It is an arithmetic number, because the mean of its divisors is an integer number (35615970).

Almost surely, 2^728145960 is an apocalyptic number.

It is an amenable number.

728145960 is an abundant number, since it is smaller than the sum of its proper divisors (1551276120).

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

728145960 is a wasteful number, since it uses less digits than its factorization.

728145960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263858 (or 263854 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 728145960 is about 26984.1798096588. The cubic root of 728145960 is about 899.6484058740.

The spelling of 728145960 in words is "seven hundred twenty-eight million, one hundred forty-five thousand, nine hundred sixty".