7689680 has 40 divisors (see below), whose sum is σ = 18823200. Its totient is φ = 2913408.

The previous prime is 7689667. The next prime is 7689707. The reversal of 7689680 is 869867.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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, 1010 + ... + 4049.

It is an arithmetic number, because the mean of its divisors is an integer number (470580).

Almost surely, 2^7689680 is an apocalyptic number.

It is an amenable number.

7689680 is an abundant number, since it is smaller than the sum of its proper divisors (11133520).

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

7689680 is a wasteful number, since it uses less digits than its factorization.

7689680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091 (or 5085 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 7689680 is about 2773.0272266965. The cubic root of 7689680 is about 197.3798232727.

The spelling of 7689680 in words is "seven million, six hundred eighty-nine thousand, six hundred eighty".