728027915 has 8 divisors (see below), whose sum is σ = 880303248. Its totient is φ = 577975840.

The previous prime is 728027903. The next prime is 728027917. The reversal of 728027915 is 519720827.

728027915 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 not a de Polignac number, because 728027915 - 2⁴ = 728027899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728027917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555092 + ... + 556401.

It is an arithmetic number, because the mean of its divisors is an integer number (110037906).

Almost surely, 2^728027915 is an apocalyptic number.

728027915 is a deficient number, since it is larger than the sum of its proper divisors (152275333).

728027915 is a wasteful number, since it uses less digits than its factorization.

728027915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111629.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 728027915 is about 26981.9924208721. The cubic root of 728027915 is about 899.5997870799.

The spelling of 728027915 in words is "seven hundred twenty-eight million, twenty-seven thousand, nine hundred fifteen".