68864308 has 6 divisors (see below), whose sum is σ = 120512546. Its totient is φ = 34432152.

The previous prime is 68864293. The next prime is 68864311. The reversal of 68864308 is 80346886.

It can be written as a sum of positive squares in only one way, i.e., 50098084 + 18766224 = 7078^2 + 4332^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8608035 + ... + 8608042.

Almost surely, 2^68864308 is an apocalyptic number.

It is an amenable number.

68864308 is a deficient number, since it is larger than the sum of its proper divisors (51648238).

68864308 is a wasteful number, since it uses less digits than its factorization.

68864308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216081 (or 17216079 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 68864308 is about 8298.4521448280. The cubic root of 68864308 is about 409.8875519504.

The spelling of 68864308 in words is "sixty-eight million, eight hundred sixty-four thousand, three hundred eight".