68747718 has 32 divisors (see below), whose sum is σ = 148428000. Its totient is φ = 21102336.

The previous prime is 68747689. The next prime is 68747741. The reversal of 68747718 is 81774786.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43608 + ... + 45156.

It is an arithmetic number, because the mean of its divisors is an integer number (4638375).

Almost surely, 2^68747718 is an apocalyptic number.

68747718 is an abundant number, since it is smaller than the sum of its proper divisors (79680282).

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

68747718 is a wasteful number, since it uses less digits than its factorization.

68747718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136.

The product of its digits is 526848, while the sum is 48.

The square root of 68747718 is about 8291.4243649689. The cubic root of 68747718 is about 409.6561026656.

The spelling of 68747718 in words is "sixty-eight million, seven hundred forty-seven thousand, seven hundred eighteen".