68118514 has 4 divisors (see below), whose sum is σ = 102177774. Its totient is φ = 34059256.

The previous prime is 68118511. The next prime is 68118521. The reversal of 68118514 is 41581186.

It is a happy number.

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., 34281025 + 33837489 = 5855^2 + 5817^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68118514.

It is not an unprimeable number, because it can be changed into a prime (68118511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17029627 + ... + 17029630.

Almost surely, 2^68118514 is an apocalyptic number.

68118514 is a deficient number, since it is larger than the sum of its proper divisors (34059260).

68118514 is a wasteful number, since it uses less digits than its factorization.

68118514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34059259.

The product of its digits is 7680, while the sum is 34.

The square root of 68118514 is about 8253.3940897064. The cubic root of 68118514 is about 408.4024967208.

The spelling of 68118514 in words is "sixty-eight million, one hundred eighteen thousand, five hundred fourteen".