518734372 has 24 divisors (see below), whose sum is σ = 994190400. Its totient is φ = 235356576.

The previous prime is 518734361. The next prime is 518734429. The reversal of 518734372 is 273437815.

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, 81472 + ... + 87607.

It is an arithmetic number, because the mean of its divisors is an integer number (41424600).

Almost surely, 2^518734372 is an apocalyptic number.

518734372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

518734372 is a deficient number, since it is larger than the sum of its proper divisors (475456028).

518734372 is a wasteful number, since it uses less digits than its factorization.

518734372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169155 (or 169153 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 518734372 is about 22775.7408661058. The cubic root of 518734372 is about 803.4922187448.

The spelling of 518734372 in words is "five hundred eighteen million, seven hundred thirty-four thousand, three hundred seventy-two".