7130656 has 48 divisors (see below), whose sum is σ = 15420888. Its totient is φ = 3225600.

The previous prime is 7130579. The next prime is 7130687. The reversal of 7130656 is 6560317.

It can be written as a sum of positive squares in 4 ways, for example, as 3459600 + 3671056 = 1860^2 + 1916^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25236 + ... + 25516.

Almost surely, 2^7130656 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 7130656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7710444).

7130656 is an abundant number, since it is smaller than the sum of its proper divisors (8290232).

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

7130656 is a wasteful number, since it uses less digits than its factorization.

7130656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 7130656 is about 2670.3288187038. The cubic root of 7130656 is about 192.4759603420.

The spelling of 7130656 in words is "seven million, one hundred thirty thousand, six hundred fifty-six".