768668252 has 12 divisors (see below), whose sum is σ = 1467457656. Its totient is φ = 349394640.

The previous prime is 768668249. The next prime is 768668261. The reversal of 768668252 is 252866867.

It is a self number, because there is not a number n which added to its sum of digits gives 768668252.

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, 8734823 + ... + 8734910.

It is an arithmetic number, because the mean of its divisors is an integer number (122288138).

Almost surely, 2^768668252 is an apocalyptic number.

It is an amenable number.

768668252 is a deficient number, since it is larger than the sum of its proper divisors (698789404).

768668252 is a wasteful number, since it uses less digits than its factorization.

768668252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17469748 (or 17469746 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 768668252 is about 27724.8670330445. The cubic root of 768668252 is about 916.0369273138.

The spelling of 768668252 in words is "seven hundred sixty-eight million, six hundred sixty-eight thousand, two hundred fifty-two".