7217830080 has 448 divisors, whose sum is σ = 27219127680. Its totient is φ = 1794244608.

The previous prime is 7217830057. The next prime is 7217830121. The reversal of 7217830080 is 800387127.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23060004 + ... + 23060316.

Almost surely, 2^7217830080 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 7217830080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13609563840).

7217830080 is an abundant number, since it is smaller than the sum of its proper divisors (20001297600).

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

7217830080 is a wasteful number, since it uses less digits than its factorization.

7217830080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 7217830080 is about 84957.8135311873. The cubic root of 7217830080 is about 1932.5714138668.

The spelling of 7217830080 in words is "seven billion, two hundred seventeen million, eight hundred thirty thousand, eighty".