7681130 has 16 divisors (see below), whose sum is σ = 14554080. Its totient is φ = 2910672.

The previous prime is 7681123. The next prime is 7681147. The reversal of 7681130 is 311867.

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 7681130.

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, 20024 + ... + 20403.

It is an arithmetic number, because the mean of its divisors is an integer number (909630).

Almost surely, 2^7681130 is an apocalyptic number.

7681130 is a deficient number, since it is larger than the sum of its proper divisors (6872950).

7681130 is a wasteful number, since it uses less digits than its factorization.

7681130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40453.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7681130 is about 2771.4851614252. The cubic root of 7681130 is about 197.3066419290.

Adding to 7681130 its reverse (311867), we get a palindrome (7992997).

The spelling of 7681130 in words is "seven million, six hundred eighty-one thousand, one hundred thirty".