7115464720 has 320 divisors, whose sum is σ = 21558620160. Its totient is φ = 2123366400.

The previous prime is 7115464711. The next prime is 7115464721. The reversal of 7115464720 is 274645117.

It is a self number, because there is not a number n which added to its sum of digits gives 7115464720.

It is not an unprimeable number, because it can be changed into a prime (7115464721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9252496 + ... + 9253264.

It is an arithmetic number, because the mean of its divisors is an integer number (67370688).

Almost surely, 2^7115464720 is an apocalyptic number.

7115464720 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 7115464720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10779310080).

7115464720 is an abundant number, since it is smaller than the sum of its proper divisors (14443155440).

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

7115464720 is a wasteful number, since it uses less digits than its factorization.

7115464720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 7115464720 is about 84353.2140466503. The cubic root of 7115464720 is about 1923.3917839264.

The spelling of 7115464720 in words is "seven billion, one hundred fifteen million, four hundred sixty-four thousand, seven hundred twenty".