68057712 has 80 divisors (see below), whose sum is σ = 196430880. Its totient is φ = 22560768.

The previous prime is 68057707. The next prime is 68057719. The reversal of 68057712 is 21775086.

68057712 is a `hidden beast` number, since 6 + 80 + 577 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68057719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110718 + ... + 111330.

It is an arithmetic number, because the mean of its divisors is an integer number (2455386).

Almost surely, 2^68057712 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 68057712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98215440).

68057712 is an abundant number, since it is smaller than the sum of its proper divisors (128373168).

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

68057712 is a wasteful number, since it uses less digits than its factorization.

68057712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 68057712 is about 8249.7098130783. The cubic root of 68057712 is about 408.2809483634.

The spelling of 68057712 in words is "sixty-eight million, fifty-seven thousand, seven hundred twelve".