7721080360 has 64 divisors (see below), whose sum is σ = 19929888000. Its totient is φ = 2637136896.

The previous prime is 7721080357. The next prime is 7721080363. The reversal of 7721080360 is 630801277.

It is an interprime number because it is at equal distance from previous prime (7721080357) and next prime (7721080363).

It is not an unprimeable number, because it can be changed into a prime (7721080363) 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, 21216 + ... + 126064.

It is an arithmetic number, because the mean of its divisors is an integer number (311404500).

Almost surely, 2^7721080360 is an apocalyptic number.

7721080360 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7721080360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9964944000).

7721080360 is an abundant number, since it is smaller than the sum of its proper divisors (12208807640).

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

7721080360 is a wasteful number, since it uses less digits than its factorization.

7721080360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105130 (or 105126 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 7721080360 is about 87869.6782741350. The cubic root of 7721080360 is about 1976.4812141070.

The spelling of 7721080360 in words is "seven billion, seven hundred twenty-one million, eighty thousand, three hundred sixty".