7925130 has 48 divisors (see below), whose sum is σ = 20765160. Its totient is φ = 2097024.

The previous prime is 7925123. The next prime is 7925173. The reversal of 7925130 is 315297.

It can be written as a sum of positive squares in 4 ways, for example, as 7901721 + 23409 = 2811^2 + 153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7925094 and 7925103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15316 + ... + 15824.

Almost surely, 2^7925130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7925130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10382580).

7925130 is an abundant number, since it is smaller than the sum of its proper divisors (12840030).

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

7925130 is a wasteful number, since it uses less digits than its factorization.

7925130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 7925130 is about 2815.1607414142. The cubic root of 7925130 is about 199.3741267900.

The spelling of 7925130 in words is "seven million, nine hundred twenty-five thousand, one hundred thirty".