7671680 has 32 divisors (see below), whose sum is σ = 18341640. Its totient is φ = 3068416.

The previous prime is 7671679. The next prime is 7671721. The reversal of 7671680 is 861767.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 7671680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354 + ... + 6633.

Almost surely, 2^7671680 is an apocalyptic number.

It is an amenable number.

7671680 is an abundant number, since it is smaller than the sum of its proper divisors (10669960).

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

7671680 is a wasteful number, since it uses less digits than its factorization.

7671680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12006 (or 11994 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 7671680 is about 2769.7797746391. The cubic root of 7671680 is about 197.2256940766.

The spelling of 7671680 in words is "seven million, six hundred seventy-one thousand, six hundred eighty".