518734768 has 20 divisors (see below), whose sum is σ = 1005442840. Its totient is φ = 259265664.

The previous prime is 518734763. The next prime is 518734771. The reversal of 518734768 is 867437815.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (518734763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51871 + ... + 61057.

It is an arithmetic number, because the mean of its divisors is an integer number (50272142).

Almost surely, 2^518734768 is an apocalyptic number.

It is an amenable number.

518734768 is a deficient number, since it is larger than the sum of its proper divisors (486708072).

518734768 is a wasteful number, since it uses less digits than its factorization.

518734768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12724 (or 12718 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 518734768 is about 22775.7495595644. The cubic root of 518734768 is about 803.4924232058.

The spelling of 518734768 in words is "five hundred eighteen million, seven hundred thirty-four thousand, seven hundred sixty-eight".