68345908 has 6 divisors (see below), whose sum is σ = 119605346. Its totient is φ = 34172952.

The previous prime is 68345897. The next prime is 68345911. The reversal of 68345908 is 80954386.

It can be written as a sum of positive squares in only one way, i.e., 68260644 + 85264 = 8262^2 + 292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8543235 + ... + 8543242.

Almost surely, 2^68345908 is an apocalyptic number.

It is an amenable number.

68345908 is a deficient number, since it is larger than the sum of its proper divisors (51259438).

68345908 is a wasteful number, since it uses less digits than its factorization.

68345908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17086481 (or 17086479 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 68345908 is about 8267.1583993534. The cubic root of 68345908 is about 408.8564366026.

The spelling of 68345908 in words is "sixty-eight million, three hundred forty-five thousand, nine hundred eight".