7990560 has 144 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 2050560.

The previous prime is 7990559. The next prime is 7990579. The reversal of 7990560 is 650997.

7990560 is a `hidden beast` number, since 7 + 9 + 90 + 560 = 666.

7990560 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×7990560² = 127698098227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44551 + ... + 44729.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

Almost surely, 2^7990560 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 7990560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

7990560 is an abundant number, since it is smaller than the sum of its proper divisors (20314080).

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

7990560 is a wasteful number, since it uses less digits than its factorization.

7990560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 7990560 is about 2826.7578601642. The cubic root of 7990560 is about 199.9213023708.

The spelling of 7990560 in words is "seven million, nine hundred ninety thousand, five hundred sixty".