68339368 has 8 divisors (see below), whose sum is σ = 128136330. Its totient is φ = 34169680.

The previous prime is 68339357. The next prime is 68339377. The reversal of 68339368 is 86393386.

It can be written as a sum of positive squares in only one way, i.e., 65318724 + 3020644 = 8082^2 + 1738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4271203 + ... + 4271218.

Almost surely, 2^68339368 is an apocalyptic number.

It is an amenable number.

68339368 is a deficient number, since it is larger than the sum of its proper divisors (59796962).

68339368 is a wasteful number, since it uses less digits than its factorization.

68339368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8542427 (or 8542423 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 68339368 is about 8266.7628489028. The cubic root of 68339368 is about 408.8433950689.

The spelling of 68339368 in words is "sixty-eight million, three hundred thirty-nine thousand, three hundred sixty-eight".