728000736 has 24 divisors (see below), whose sum is σ = 1911002184. Its totient is φ = 242666880.

The previous prime is 728000731. The next prime is 728000737. The reversal of 728000736 is 637000827.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 728000697 and 728000706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728000731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3791575 + ... + 3791766.

It is an arithmetic number, because the mean of its divisors is an integer number (79625091).

Almost surely, 2^728000736 is an apocalyptic number.

It is an amenable number.

728000736 is an abundant number, since it is smaller than the sum of its proper divisors (1183001448).

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

728000736 is a wasteful number, since it uses less digits than its factorization.

728000736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7583354 (or 7583346 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 728000736 is about 26981.4887654481. The cubic root of 728000736 is about 899.5885922129.

Subtracting from 728000736 its reverse (637000827), we obtain a palindrome (90999909).

The spelling of 728000736 in words is "seven hundred twenty-eight million, seven hundred thirty-six", and thus it is an aban number.