68700018 has 8 divisors (see below), whose sum is σ = 137400048. Its totient is φ = 22900004.

The previous prime is 68700001. The next prime is 68700019. The reversal of 68700018 is 81000786.

It is a sphenic number, since it is the product of 3 distinct primes.

68700018 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (68700019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724996 + ... + 5725007.

It is an arithmetic number, because the mean of its divisors is an integer number (17175006).

Almost surely, 2^68700018 is an apocalyptic number.

68700018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68700018 is a wasteful number, since it uses less digits than its factorization.

68700018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450008.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 68700018 is about 8288.5473998765. The cubic root of 68700018 is about 409.5613353154.

The spelling of 68700018 in words is "sixty-eight million, seven hundred thousand, eighteen".