768245218 has 16 divisors (see below), whose sum is σ = 1294969536. Its totient is φ = 339158160.

The previous prime is 768245209. The next prime is 768245237. The reversal of 768245218 is 812542867.

It is a happy 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, 641748 + ... + 642943.

It is an arithmetic number, because the mean of its divisors is an integer number (80935596).

Almost surely, 2^768245218 is an apocalyptic number.

768245218 is a deficient number, since it is larger than the sum of its proper divisors (526724318).

768245218 is a wasteful number, since it uses less digits than its factorization.

768245218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284729.

The product of its digits is 215040, while the sum is 43.

The square root of 768245218 is about 27717.2368391945. The cubic root of 768245218 is about 915.8688505241.

It can be divided in two parts, 7682 and 45218, that added together give a square (52900 = 230²).

The spelling of 768245218 in words is "seven hundred sixty-eight million, two hundred forty-five thousand, two hundred eighteen".