318726068 has 6 divisors (see below), whose sum is σ = 557770626. Its totient is φ = 159363032.

The previous prime is 318726043. The next prime is 318726071. The reversal of 318726068 is 860627813.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 249703204 + 69022864 = 15802^2 + 8308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39840755 + ... + 39840762.

It is an arithmetic number, because the mean of its divisors is an integer number (92961771).

Almost surely, 2^318726068 is an apocalyptic number.

It is an amenable number.

318726068 is a deficient number, since it is larger than the sum of its proper divisors (239044558).

318726068 is a wasteful number, since it uses less digits than its factorization.

318726068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79681521 (or 79681519 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 318726068 is about 17852.9008287169. The cubic root of 318726068 is about 683.0815077361.

The spelling of 318726068 in words is "three hundred eighteen million, seven hundred twenty-six thousand, sixty-eight".