7685640076 has 24 divisors (see below), whose sum is σ = 13788016704. Its totient is φ = 3746344320.

The previous prime is 7685640071. The next prime is 7685640089. The reversal of 7685640076 is 6700465867.

It is not an unprimeable number, because it can be changed into a prime (7685640071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216906 + ... + 249838.

It is an arithmetic number, because the mean of its divisors is an integer number (574500696).

Almost surely, 2^7685640076 is an apocalyptic number.

It is an amenable number.

7685640076 is a deficient number, since it is larger than the sum of its proper divisors (6102376628).

7685640076 is a wasteful number, since it uses less digits than its factorization.

7685640076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34401 (or 34399 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 7685640076 is about 87667.7824288946. The cubic root of 7685640076 is about 1973.4525143225.

The spelling of 7685640076 in words is "seven billion, six hundred eighty-five million, six hundred forty thousand, seventy-six".