728300659 has 4 divisors (see below), whose sum is σ = 729529416. Its totient is φ = 727071904.

The previous prime is 728300641. The next prime is 728300663. The reversal of 728300659 is 956003827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728300659 - 2⁵ = 728300627 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728300059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613489 + ... + 614674.

It is an arithmetic number, because the mean of its divisors is an integer number (182382354).

Almost surely, 2^728300659 is an apocalyptic number.

728300659 is a deficient number, since it is larger than the sum of its proper divisors (1228757).

728300659 is a wasteful number, since it uses less digits than its factorization.

728300659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228756.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 728300659 is about 26987.0461332840. The cubic root of 728300659 is about 899.7121132721.

The spelling of 728300659 in words is "seven hundred twenty-eight million, three hundred thousand, six hundred fifty-nine".