728276384 has 48 divisors (see below), whose sum is σ = 1646477280. Its totient is φ = 313608960.

The previous prime is 728276369. The next prime is 728276387. The reversal of 728276384 is 483672827.

It is not an unprimeable number, because it can be changed into a prime (728276387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47759 + ... + 61134.

It is an arithmetic number, because the mean of its divisors is an integer number (34301610).

Almost surely, 2^728276384 is an apocalyptic number.

It is an amenable number.

728276384 is an abundant number, since it is smaller than the sum of its proper divisors (918200896).

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

728276384 is a wasteful number, since it uses less digits than its factorization.

728276384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108933 (or 108925 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 728276384 is about 26986.5963767201. The cubic root of 728276384 is about 899.7021170551.

The spelling of 728276384 in words is "seven hundred twenty-eight million, two hundred seventy-six thousand, three hundred eighty-four".