68351908 has 24 divisors (see below), whose sum is σ = 121347072. Its totient is φ = 33685344.

The previous prime is 68351893. The next prime is 68351909. The reversal of 68351908 is 80915386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68351909) 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, 99735 + ... + 100417.

It is an arithmetic number, because the mean of its divisors is an integer number (5056128).

Almost surely, 2^68351908 is an apocalyptic number.

It is an amenable number.

68351908 is a deficient number, since it is larger than the sum of its proper divisors (52995164).

68351908 is a wasteful number, since it uses less digits than its factorization.

68351908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 68351908 is about 8267.5212730298. The cubic root of 68351908 is about 408.8684005806.

The spelling of 68351908 in words is "sixty-eight million, three hundred fifty-one thousand, nine hundred eight".