68651712 has 280 divisors, whose sum is σ = 232349040. Its totient is φ = 19906560.

The previous prime is 68651689. The next prime is 68651719. The reversal of 68651712 is 21715686.

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

It is not an unprimeable number, because it can be changed into a prime (68651719) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1674412 + ... + 1674452.

It is an arithmetic number, because the mean of its divisors is an integer number (829818).

Almost surely, 2^68651712 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 68651712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116174520).

68651712 is an abundant number, since it is smaller than the sum of its proper divisors (163697328).

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

68651712 is a wasteful number, since it uses less digits than its factorization.

68651712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 82 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 68651712 is about 8285.6328665950. The cubic root of 68651712 is about 409.4653192865.

The spelling of 68651712 in words is "sixty-eight million, six hundred fifty-one thousand, seven hundred twelve".