8721734722 has 4 divisors (see below), whose sum is σ = 13082602086. Its totient is φ = 4360867360.

The previous prime is 8721734713. The next prime is 8721734759. The reversal of 8721734722 is 2274371278.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4477081921 + 4244652801 = 66911^2 + 65151^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2180433679 + ... + 2180433682.

Almost surely, 2^8721734722 is an apocalyptic number.

8721734722 is a deficient number, since it is larger than the sum of its proper divisors (4360867364).

8721734722 is a wasteful number, since it uses less digits than its factorization.

8721734722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360867363.

The product of its digits is 263424, while the sum is 43.

The square root of 8721734722 is about 93390.2281933180. The cubic root of 8721734722 is about 2058.4214130899.

The spelling of 8721734722 in words is "eight billion, seven hundred twenty-one million, seven hundred thirty-four thousand, seven hundred twenty-two".