7805130 has 16 divisors (see below), whose sum is σ = 18732384. Its totient is φ = 2081360.

The previous prime is 7805123. The next prime is 7805131. The reversal of 7805130 is 315087.

7805130 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7805130.

It is not an unprimeable number, because it can be changed into a prime (7805131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130056 + ... + 130115.

It is an arithmetic number, because the mean of its divisors is an integer number (1170774).

Almost surely, 2^7805130 is an apocalyptic number.

7805130 is an abundant number, since it is smaller than the sum of its proper divisors (10927254).

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

7805130 is a wasteful number, since it uses less digits than its factorization.

7805130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260181.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 7805130 is about 2793.7662751204. The cubic root of 7805130 is about 198.3627164213.

The spelling of 7805130 in words is "seven million, eight hundred five thousand, one hundred thirty".