728424792 has 64 divisors (see below), whose sum is σ = 2061612000. Its totient is φ = 238223232.

The previous prime is 728424787. The next prime is 728424833. The reversal of 728424792 is 297424827.

728424792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 20367 + ... + 43262.

Almost surely, 2^728424792 is an apocalyptic number.

728424792 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

728424792 is an abundant number, since it is smaller than the sum of its proper divisors (1333187208).

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

728424792 is a wasteful number, since it uses less digits than its factorization.

728424792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63697 (or 63687 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 728424792 is about 26989.3458979650. The cubic root of 728424792 is about 899.7632266036.

The spelling of 728424792 in words is "seven hundred twenty-eight million, four hundred twenty-four thousand, seven hundred ninety-two".