7317856480 has 96 divisors (see below), whose sum is σ = 18880501248. Its totient is φ = 2658163200.

The previous prime is 7317856477. The next prime is 7317856489. The reversal of 7317856480 is 846587137.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7317856489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291685 + ... + 2294875.

It is an arithmetic number, because the mean of its divisors is an integer number (196671888).

Almost surely, 2^7317856480 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 7317856480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9440250624).

7317856480 is an abundant number, since it is smaller than the sum of its proper divisors (11562644768).

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

7317856480 is a wasteful number, since it uses less digits than its factorization.

7317856480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4512 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 7317856480 is about 85544.4707739781. The cubic root of 7317856480 is about 1941.4578336149.

The spelling of 7317856480 in words is "seven billion, three hundred seventeen million, eight hundred fifty-six thousand, four hundred eighty".