68118874 has 8 divisors (see below), whose sum is σ = 102300660. Its totient is φ = 34018656.

The previous prime is 68118871. The next prime is 68118877. The reversal of 68118874 is 47881186.

It is an interprime number because it is at equal distance from previous prime (68118871) and next prime (68118877).

It can be written as a sum of positive squares in 2 ways, for example, as 57653649 + 10465225 = 7593^2 + 3235^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 68118874.

It is not an unprimeable number, because it can be changed into a prime (68118871) 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 3 ways as a sum of consecutive naturals, for example, 18259 + ... + 21670.

Almost surely, 2^68118874 is an apocalyptic number.

68118874 is a deficient number, since it is larger than the sum of its proper divisors (34181786).

68118874 is a wasteful number, since it uses less digits than its factorization.

68118874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40784.

The product of its digits is 86016, while the sum is 43.

The square root of 68118874 is about 8253.4158988870. The cubic root of 68118874 is about 408.4032161759.

The spelling of 68118874 in words is "sixty-eight million, one hundred eighteen thousand, eight hundred seventy-four".