318672438734 has 8 divisors (see below), whose sum is σ = 514778554920. Its totient is φ = 147079587096.

The previous prime is 318672438713. The next prime is 318672438769. The reversal of 318672438734 is 437834276813.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 318672438734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128316104 + ... + 6128316155.

It is an arithmetic number, because the mean of its divisors is an integer number (64347319365).

Almost surely, 2^318672438734 is an apocalyptic number.

318672438734 is a deficient number, since it is larger than the sum of its proper divisors (196106116186).

318672438734 is a wasteful number, since it uses less digits than its factorization.

318672438734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256632274.

The product of its digits is 16257024, while the sum is 56.

The spelling of 318672438734 in words is "three hundred eighteen billion, six hundred seventy-two million, four hundred thirty-eight thousand, seven hundred thirty-four".