7998760 has 128 divisors (see below), whose sum is σ = 23328000. Its totient is φ = 2446080.

The previous prime is 7998743. The next prime is 7998763. The reversal of 7998760 is 678997.

It is a self number, because there is not a number n which added to its sum of digits gives 7998760.

It is not an unprimeable number, because it can be changed into a prime (7998763) 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, 150894 + ... + 150946.

It is an arithmetic number, because the mean of its divisors is an integer number (182250).

Almost surely, 2^7998760 is an apocalyptic number.

7998760 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 7998760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11664000).

7998760 is an abundant number, since it is smaller than the sum of its proper divisors (15329240).

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

7998760 is a wasteful number, since it uses less digits than its factorization.

7998760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 7998760 is about 2828.2079131492. The cubic root of 7998760 is about 199.9896661327.

It can be divided in two parts, 799 and 8760, that added together give a palindrome (9559).

The spelling of 7998760 in words is "seven million, nine hundred ninety-eight thousand, seven hundred sixty".