7818746080 has 192 divisors, whose sum is σ = 20163790080. Its totient is φ = 2853904384.

The previous prime is 7818746071. The next prime is 7818746081. The reversal of 7818746080 is 806478187.

It is a super-2 number, since 2×7818746080² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7818746081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13319547 + ... + 13320133.

It is an arithmetic number, because the mean of its divisors is an integer number (105019740).

Almost surely, 2^7818746080 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 7818746080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10081895040).

7818746080 is an abundant number, since it is smaller than the sum of its proper divisors (12345044000).

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

7818746080 is a wasteful number, since it uses less digits than its factorization.

7818746080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 49.

The square root of 7818746080 is about 88423.6737531302. The cubic root of 7818746080 is about 1984.7799759088.

The spelling of 7818746080 in words is "seven billion, eight hundred eighteen million, seven hundred forty-six thousand, eighty".