8721795 has 16 divisors (see below), whose sum is σ = 14039712. Its totient is φ = 4623360.

The previous prime is 8721773. The next prime is 8721851. The reversal of 8721795 is 5971278.

It is not a de Polignac number, because 8721795 - 2⁵ = 8721763 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915 + ... + 4275.

It is an arithmetic number, because the mean of its divisors is an integer number (877482).

Almost surely, 2^8721795 is an apocalyptic number.

8721795 is a deficient number, since it is larger than the sum of its proper divisors (5317917).

8721795 is a wasteful number, since it uses less digits than its factorization.

8721795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542.

The product of its digits is 35280, while the sum is 39.

The square root of 8721795 is about 2953.2685282581. The cubic root of 8721795 is about 205.8426155160.

The spelling of 8721795 in words is "eight million, seven hundred twenty-one thousand, seven hundred ninety-five".