7671668 has 12 divisors (see below), whose sum is σ = 14132160. Its totient is φ = 3633912.

The previous prime is 7671637. The next prime is 7671679. The reversal of 7671668 is 8661767.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 50396 + ... + 50547.

It is an arithmetic number, because the mean of its divisors is an integer number (1177680).

Almost surely, 2^7671668 is an apocalyptic number.

It is an amenable number.

7671668 is a deficient number, since it is larger than the sum of its proper divisors (6460492).

7671668 is a wasteful number, since it uses less digits than its factorization.

7671668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100966 (or 100964 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 7671668 is about 2769.7776084011. Note that the first 3 decimals coincide. The cubic root of 7671668 is about 197.2255912434.

Subtracting 7671668 from its reverse (8661767), we obtain a palindrome (990099).

The spelling of 7671668 in words is "seven million, six hundred seventy-one thousand, six hundred sixty-eight".