728368611 has 8 divisors (see below), whose sum is σ = 1004646480. Its totient is φ = 468834912.

The previous prime is 728368601. The next prime is 728368631. The reversal of 728368611 is 116863827.

728368611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728368611 - 2⁷ = 728368483 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (728368601) 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, 4185940 + ... + 4186113.

It is an arithmetic number, because the mean of its divisors is an integer number (125580810).

Almost surely, 2^728368611 is an apocalyptic number.

728368611 is a deficient number, since it is larger than the sum of its proper divisors (276277869).

728368611 is a wasteful number, since it uses less digits than its factorization.

728368611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372085.

The product of its digits is 96768, while the sum is 42.

The square root of 728368611 is about 26988.3050783112. The cubic root of 728368611 is about 899.7400940863.

The spelling of 728368611 in words is "seven hundred twenty-eight million, three hundred sixty-eight thousand, six hundred eleven".