68318274 has 16 divisors (see below), whose sum is σ = 144674208. Its totient is φ = 21433152.

The previous prime is 68318251. The next prime is 68318279. The reversal of 68318274 is 47281386.

It is not an unprimeable number, because it can be changed into a prime (68318279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334792 + ... + 334995.

It is an arithmetic number, because the mean of its divisors is an integer number (9042138).

Almost surely, 2^68318274 is an apocalyptic number.

68318274 is an abundant number, since it is smaller than the sum of its proper divisors (76355934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68318274 is a wasteful number, since it uses less digits than its factorization.

68318274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669809.

The product of its digits is 64512, while the sum is 39.

The square root of 68318274 is about 8265.4869185064. The cubic root of 68318274 is about 408.8013254668.

The spelling of 68318274 in words is "sixty-eight million, three hundred eighteen thousand, two hundred seventy-four".