7851130 has 32 divisors (see below), whose sum is σ = 16433280. Its totient is φ = 2644800.

The previous prime is 7851121. The next prime is 7851143. The reversal of 7851130 is 311587.

It is a junction number, because it is equal to n+sod(n) for n = 7851095 and 7851104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3180 + ... + 5080.

It is an arithmetic number, because the mean of its divisors is an integer number (513540).

Almost surely, 2^7851130 is an apocalyptic number.

7851130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7851130 is an abundant number, since it is smaller than the sum of its proper divisors (8582150).

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

7851130 is a wasteful number, since it uses less digits than its factorization.

7851130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7851130 is about 2801.9867951152. The cubic root of 7851130 is about 198.7516408762.

The spelling of 7851130 in words is "seven million, eight hundred fifty-one thousand, one hundred thirty".