7668693306 has 40 divisors (see below), whose sum is σ = 17213854944. Its totient is φ = 2551723560.

The previous prime is 7668693287. The next prime is 7668693323. The reversal of 7668693306 is 6033968667.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 51051 + ... + 133953.

Almost surely, 2^7668693306 is an apocalyptic number.

7668693306 is an abundant number, since it is smaller than the sum of its proper divisors (9545161638).

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

7668693306 is a wasteful number, since it uses less digits than its factorization.

7668693306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83488 (or 83479 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 54.

The square root of 7668693306 is about 87571.0757385108. The cubic root of 7668693306 is about 1972.0009649970. Note that the first 3 decimals are identical.

The spelling of 7668693306 in words is "seven billion, six hundred sixty-eight million, six hundred ninety-three thousand, three hundred six".