728874014672 has 20 divisors (see below), whose sum is σ = 1446637146276. Its totient is φ = 355548299520.

The previous prime is 728874014657. The next prime is 728874014779. The reversal of 728874014672 is 276410478827.

728874014672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 258283502656 + 470590512016 = 508216^2 + 685996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555543563 + ... + 555544874.

Almost surely, 2^728874014672 is an apocalyptic number.

It is an amenable number.

728874014672 is a deficient number, since it is larger than the sum of its proper divisors (717763131604).

728874014672 is a wasteful number, since it uses less digits than its factorization.

728874014672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111088486 (or 1111088480 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 56.

The spelling of 728874014672 in words is "seven hundred twenty-eight billion, eight hundred seventy-four million, fourteen thousand, six hundred seventy-two".