7218606304 has 288 divisors, whose sum is σ = 18894980160. Its totient is φ = 2685247488.

The previous prime is 7218606301. The next prime is 7218606313. The reversal of 7218606304 is 4036068127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218606301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41725962 + ... + 41726134.

It is an arithmetic number, because the mean of its divisors is an integer number (65607570).

Almost surely, 2^7218606304 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 7218606304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9447490080).

7218606304 is an abundant number, since it is smaller than the sum of its proper divisors (11676373856).

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

7218606304 is a wasteful number, since it uses less digits than its factorization.

7218606304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 7218606304 is about 84962.3816991967. The cubic root of 7218606304 is about 1932.6406892827.

The spelling of 7218606304 in words is "seven billion, two hundred eighteen million, six hundred six thousand, three hundred four".