728321795 has 8 divisors (see below), whose sum is σ = 911985696. Its totient is φ = 557324416.

The previous prime is 728321753. The next prime is 728321821. The reversal of 728321795 is 597123827.

728321795 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 a cyclic number.

It is not a de Polignac number, because 728321795 - 2¹⁴ = 728305411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166502 + ... + 3166731.

It is an arithmetic number, because the mean of its divisors is an integer number (113998212).

Almost surely, 2^728321795 is an apocalyptic number.

728321795 is a deficient number, since it is larger than the sum of its proper divisors (183663901).

728321795 is a wasteful number, since it uses less digits than its factorization.

728321795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333261.

The product of its digits is 211680, while the sum is 44.

The square root of 728321795 is about 26987.4377257271. The cubic root of 728321795 is about 899.7208166975.

The spelling of 728321795 in words is "seven hundred twenty-eight million, three hundred twenty-one thousand, seven hundred ninety-five".