728383207 has 8 divisors (see below), whose sum is σ = 772848000. Its totient is φ = 684098304.

The previous prime is 728383199. The next prime is 728383211. The reversal of 728383207 is 702383827.

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

It is a cyclic number.

It is not a de Polignac number, because 728383207 - 2³ = 728383199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 728383207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728383237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36582 + ... + 52867.

It is an arithmetic number, because the mean of its divisors is an integer number (96606000).

Almost surely, 2^728383207 is an apocalyptic number.

728383207 is a deficient number, since it is larger than the sum of its proper divisors (44464793).

728383207 is a wasteful number, since it uses less digits than its factorization.

728383207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89945.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 728383207 is about 26988.5754903811. The cubic root of 728383207 is about 899.7461041012.

The spelling of 728383207 in words is "seven hundred twenty-eight million, three hundred eighty-three thousand, two hundred seven".