68271318 has 24 divisors (see below), whose sum is σ = 149706648. Its totient is φ = 22482432.

The previous prime is 68271317. The next prime is 68271349. The reversal of 68271318 is 81317286.

It is a super-2 number, since 2×68271318² = 9321945722914248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68271311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21355 + ... + 24342.

It is an arithmetic number, because the mean of its divisors is an integer number (6237777).

Almost surely, 2^68271318 is an apocalyptic number.

68271318 is an abundant number, since it is smaller than the sum of its proper divisors (81435330).

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

68271318 is a wasteful number, since it uses less digits than its factorization.

68271318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45788 (or 45785 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 68271318 is about 8262.6459442481. The cubic root of 68271318 is about 408.7076459215.

The spelling of 68271318 in words is "sixty-eight million, two hundred seventy-one thousand, three hundred eighteen".