68646208 has 28 divisors (see below), whose sum is σ = 138147552. Its totient is φ = 33837440.

The previous prime is 68646173. The next prime is 68646217. The reversal of 68646208 is 80264686.

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, 3010 + ... + 12097.

Almost surely, 2^68646208 is an apocalyptic number.

It is an amenable number.

68646208 is an abundant number, since it is smaller than the sum of its proper divisors (69501344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68646208 is a wasteful number, since it uses less digits than its factorization.

68646208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190 (or 15180 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 68646208 is about 8285.3007187428. The cubic root of 68646208 is about 409.4543763336.

The spelling of 68646208 in words is "sixty-eight million, six hundred forty-six thousand, two hundred eight".