68718012 has 96 divisors (see below), whose sum is σ = 187536384. Its totient is φ = 19353600.

The previous prime is 68717983. The next prime is 68718019. The reversal of 68718012 is 21081786.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68718019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253437 + ... + 253707.

It is an arithmetic number, because the mean of its divisors is an integer number (1953504).

Almost surely, 2^68718012 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 68718012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93768192).

68718012 is an abundant number, since it is smaller than the sum of its proper divisors (118818372).

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

68718012 is a wasteful number, since it uses less digits than its factorization.

68718012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 68718012 is about 8289.6328024829. The cubic root of 68718012 is about 409.5970898104.

Adding to 68718012 its reverse (21081786), we get a palindrome (89799798).

The spelling of 68718012 in words is "sixty-eight million, seven hundred eighteen thousand, twelve".