68287282 has 12 divisors (see below), whose sum is σ = 119154510. Its totient is φ = 29265936.

The previous prime is 68287279. The next prime is 68287313. The reversal of 68287282 is 28278286.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 866761 = 8211^2 + 931^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 348307 + ... + 348502.

Almost surely, 2^68287282 is an apocalyptic number.

68287282 is a deficient number, since it is larger than the sum of its proper divisors (50867228).

68287282 is a wasteful number, since it uses less digits than its factorization.

68287282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696825 (or 696818 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 68287282 is about 8263.6119221561. The cubic root of 68287282 is about 408.7394997100.

The spelling of 68287282 in words is "sixty-eight million, two hundred eighty-seven thousand, two hundred eighty-two".