68885712 has 120 divisors (see below), whose sum is σ = 226402176. Its totient is φ = 19139328.

The previous prime is 68885657. The next prime is 68885723. The reversal of 68885712 is 21758886.

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 23 ways as a sum of consecutive naturals, for example, 36373 + ... + 38219.

Almost surely, 2^68885712 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 68885712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113201088).

68885712 is an abundant number, since it is smaller than the sum of its proper divisors (157516464).

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

68885712 is a wasteful number, since it uses less digits than its factorization.

68885712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1896 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 68885712 is about 8299.7416827272. The cubic root of 68885712 is about 409.9300138325.

The spelling of 68885712 in words is "sixty-eight million, eight hundred eighty-five thousand, seven hundred twelve".