68864718 has 16 divisors (see below), whose sum is σ = 148324176. Its totient is φ = 21189120.

The previous prime is 68864713. The next prime is 68864767. The reversal of 68864718 is 81746886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68864713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441363 + ... + 441518.

It is an arithmetic number, because the mean of its divisors is an integer number (9270261).

Almost surely, 2^68864718 is an apocalyptic number.

68864718 is an abundant number, since it is smaller than the sum of its proper divisors (79459458).

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

68864718 is a wasteful number, since it uses less digits than its factorization.

68864718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882899.

The product of its digits is 516096, while the sum is 48.

The square root of 68864718 is about 8298.4768481933. The cubic root of 68864718 is about 409.8883654031. Note that the first 3 decimals are identical.

The spelling of 68864718 in words is "sixty-eight million, eight hundred sixty-four thousand, seven hundred eighteen".