8721741216 has 48 divisors (see below), whose sum is σ = 22900981824. Its totient is φ = 2906433024.

The previous prime is 8721741179. The next prime is 8721741227. The reversal of 8721741216 is 6121471278.

It is a tau number, because it is divible by the number of its divisors (48).

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, 401941 + ... + 423083.

It is an arithmetic number, because the mean of its divisors is an integer number (477103788).

Almost surely, 2^8721741216 is an apocalyptic number.

It is an amenable number.

8721741216 is an abundant number, since it is smaller than the sum of its proper divisors (14179240608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8721741216 is a wasteful number, since it uses less digits than its factorization.

8721741216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25453 (or 25445 counting only the distinct ones).

The product of its digits is 37632, while the sum is 39.

The square root of 8721741216 is about 93390.2629614030. The cubic root of 8721741216 is about 2058.4219239740.

The spelling of 8721741216 in words is "eight billion, seven hundred twenty-one million, seven hundred forty-one thousand, two hundred sixteen".