7671732648 has 32 divisors (see below), whose sum is σ = 19181655360. Its totient is φ = 2556934400.

The previous prime is 7671732611. The next prime is 7671732661. The reversal of 7671732648 is 8462371767.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7671732648.

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, 272848 + ... + 299648.

It is an arithmetic number, because the mean of its divisors is an integer number (599426730).

Almost surely, 2^7671732648 is an apocalyptic number.

It is an amenable number.

7671732648 is an abundant number, since it is smaller than the sum of its proper divisors (11509922712).

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

7671732648 is a wasteful number, since it uses less digits than its factorization.

7671732648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38737 (or 38733 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The square root of 7671732648 is about 87588.4275917772. The cubic root of 7671732648 is about 1972.2614523872.

The spelling of 7671732648 in words is "seven billion, six hundred seventy-one million, seven hundred thirty-two thousand, six hundred forty-eight".