68696518 has 8 divisors (see below), whose sum is σ = 112412520. Its totient is φ = 31225680.

The previous prime is 68696503. The next prime is 68696521. The reversal of 68696518 is 81569686.

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

It is a congruent number.

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, 1561263 + ... + 1561306.

It is an arithmetic number, because the mean of its divisors is an integer number (14051565).

Almost surely, 2^68696518 is an apocalyptic number.

68696518 is a deficient number, since it is larger than the sum of its proper divisors (43716002).

68696518 is a wasteful number, since it uses less digits than its factorization.

68696518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122582.

The product of its digits is 622080, while the sum is 49.

The square root of 68696518 is about 8288.3362624836. The cubic root of 68696518 is about 409.5543800090.

The spelling of 68696518 in words is "sixty-eight million, six hundred ninety-six thousand, five hundred eighteen".