7217852672 has 72 divisors (see below), whose sum is σ = 14632767072. Its totient is φ = 3552972800.

The previous prime is 7217852641. The next prime is 7217852683. The reversal of 7217852672 is 2762587127.

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, 4593647 + ... + 4595217.

It is an arithmetic number, because the mean of its divisors is an integer number (203232876).

Almost surely, 2^7217852672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7217852672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7316383536).

7217852672 is an abundant number, since it is smaller than the sum of its proper divisors (7414914400).

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

7217852672 is a wasteful number, since it uses less digits than its factorization.

7217852672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 1841 counting only the distinct ones).

The product of its digits is 658560, while the sum is 47.

The square root of 7217852672 is about 84957.9464911906. The cubic root of 7217852672 is about 1932.5734301980.

The spelling of 7217852672 in words is "seven billion, two hundred seventeen million, eight hundred fifty-two thousand, six hundred seventy-two".