715728715 has 8 divisors (see below), whose sum is σ = 924941808. Its totient is φ = 528538080.

The previous prime is 715728707. The next prime is 715728733. The reversal of 715728715 is 517827517.

715728715 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 715728715 - 2³ = 715728707 is a prime.

It is a Duffinian number.

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, 5505541 + ... + 5505670.

It is an arithmetic number, because the mean of its divisors is an integer number (115617726).

Almost surely, 2^715728715 is an apocalyptic number.

715728715 is a deficient number, since it is larger than the sum of its proper divisors (209213093).

715728715 is a wasteful number, since it uses less digits than its factorization.

715728715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011229.

The product of its digits is 137200, while the sum is 43.

The square root of 715728715 is about 26753.1066420332. The cubic root of 715728715 is about 894.5050851327.

The spelling of 715728715 in words is "seven hundred fifteen million, seven hundred twenty-eight thousand, seven hundred fifteen".