68104408 has 16 divisors (see below), whose sum is σ = 129861000. Its totient is φ = 33474816.

The previous prime is 68104381. The next prime is 68104429. The reversal of 68104408 is 80440186.

It is a self number, because there is not a number n which added to its sum of digits gives 68104408.

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 in 3 ways as a sum of consecutive naturals, for example, 71673 + ... + 72616.

Almost surely, 2^68104408 is an apocalyptic number.

It is an amenable number.

68104408 is a deficient number, since it is larger than the sum of its proper divisors (61756592).

68104408 is a wasteful number, since it uses less digits than its factorization.

68104408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144354 (or 144350 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 68104408 is about 8252.5394879395. The cubic root of 68104408 is about 408.3743040754.

The spelling of 68104408 in words is "sixty-eight million, one hundred four thousand, four hundred eight".