68900308 has 24 divisors (see below), whose sum is σ = 129628800. Its totient is φ = 31940928.

The previous prime is 68900297. The next prime is 68900309. The reversal of 68900308 is 80300986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68900309) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6073 + ... + 13216.

It is an arithmetic number, because the mean of its divisors is an integer number (5401200).

Almost surely, 2^68900308 is an apocalyptic number.

It is an amenable number.

68900308 is a deficient number, since it is larger than the sum of its proper divisors (60728492).

68900308 is a wasteful number, since it uses less digits than its factorization.

68900308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19359 (or 19357 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68900308 is about 8300.6209406285. The cubic root of 68900308 is about 409.9589647608.

The spelling of 68900308 in words is "sixty-eight million, nine hundred thousand, three hundred eight".