68699686 has 24 divisors (see below), whose sum is σ = 119939400. Its totient is φ = 29388480.

The previous prime is 68699647. The next prime is 68699693.

68699686 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 68699686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4236 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (4997475).

Almost surely, 2^68699686 is an apocalyptic number.

68699686 is a deficient number, since it is larger than the sum of its proper divisors (51239714).

68699686 is a wasteful number, since it uses less digits than its factorization.

68699686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16740 (or 16729 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 68699686 is about 8288.5273722176. The cubic root of 68699686 is about 409.5606755651.

The spelling of 68699686 in words is "sixty-eight million, six hundred ninety-nine thousand, six hundred eighty-six".