68556708 has 72 divisors (see below), whose sum is σ = 194201280. Its totient is φ = 20208960.

The previous prime is 68556707. The next prime is 68556727. The reversal of 68556708 is 80765586.

68556708 is a `hidden beast` number, since 6 + 85 + 567 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (68556707) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12313 + ... + 16991.

It is an arithmetic number, because the mean of its divisors is an integer number (2697240).

Almost surely, 2^68556708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68556708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97100640).

68556708 is an abundant number, since it is smaller than the sum of its proper divisors (125644572).

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

68556708 is a wasteful number, since it uses less digits than its factorization.

68556708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737 (or 4732 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 68556708 is about 8279.8978254565. The cubic root of 68556708 is about 409.2763519117.

The spelling of 68556708 in words is "sixty-eight million, five hundred fifty-six thousand, seven hundred eight".