68002868 has 12 divisors (see below), whose sum is σ = 119209860. Its totient is φ = 33942912.

The previous prime is 68002841. The next prime is 68002939. The reversal of 68002868 is 86820086.

It can be written as a sum of positive squares in 2 ways, for example, as 48748324 + 19254544 = 6982^2 + 4388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11963 + ... + 16706.

It is an arithmetic number, because the mean of its divisors is an integer number (9934155).

Almost surely, 2^68002868 is an apocalyptic number.

It is an amenable number.

68002868 is a deficient number, since it is larger than the sum of its proper divisors (51206992).

68002868 is a wasteful number, since it uses less digits than its factorization.

68002868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29266 (or 29264 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 68002868 is about 8246.3851474449. The cubic root of 68002868 is about 408.1712484379.

The spelling of 68002868 in words is "sixty-eight million, two thousand, eight hundred sixty-eight".