68003018 has 4 divisors (see below), whose sum is σ = 102004530. Its totient is φ = 34001508.

The previous prime is 68002993. The next prime is 68003027. The reversal of 68003018 is 81030086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43072969 + 24930049 = 6563^2 + 4993^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17000753 + ... + 17000756.

Almost surely, 2^68003018 is an apocalyptic number.

68003018 is a deficient number, since it is larger than the sum of its proper divisors (34001512).

68003018 is a wasteful number, since it uses less digits than its factorization.

68003018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34001511.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 68003018 is about 8246.3942423340. The cubic root of 68003018 is about 408.1715485510.

The spelling of 68003018 in words is "sixty-eight million, three thousand, eighteen".