68012618 has 8 divisors (see below), whose sum is σ = 102055140. Its totient is φ = 33994240.

The previous prime is 68012603. The next prime is 68012629. The reversal of 68012618 is 81621086.

It can be written as a sum of positive squares in 2 ways, for example, as 65723449 + 2289169 = 8107^2 + 1513^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 5168 + ... + 12756.

Almost surely, 2^68012618 is an apocalyptic number.

68012618 is a deficient number, since it is larger than the sum of its proper divisors (34042522).

68012618 is a wasteful number, since it uses less digits than its factorization.

68012618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 68012618 is about 8246.9762943760. The cubic root of 68012618 is about 408.1907548676.

The spelling of 68012618 in words is "sixty-eight million, twelve thousand, six hundred eighteen".