728736113 has 8 divisors (see below), whose sum is σ = 834832320. Its totient is φ = 623137680.

The previous prime is 728736077. The next prime is 728736121. The reversal of 728736113 is 311637827.

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 728736113 - 2⁸ = 728735857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728736193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121298 + ... + 127163.

It is an arithmetic number, because the mean of its divisors is an integer number (104354040).

Almost surely, 2^728736113 is an apocalyptic number.

It is an amenable number.

728736113 is a deficient number, since it is larger than the sum of its proper divisors (106096207).

728736113 is a wasteful number, since it uses less digits than its factorization.

728736113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248887.

The product of its digits is 42336, while the sum is 38.

The square root of 728736113 is about 26995.1127613870. The cubic root of 728736113 is about 899.8913914208.

The spelling of 728736113 in words is "seven hundred twenty-eight million, seven hundred thirty-six thousand, one hundred thirteen".