68688674 has 8 divisors (see below), whose sum is σ = 103239360. Its totient is φ = 34275556.

The previous prime is 68688661. The next prime is 68688679. The reversal of 68688674 is 47688686.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68688679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33134 + ... + 35145.

It is an arithmetic number, because the mean of its divisors is an integer number (12904920).

Almost surely, 2^68688674 is an apocalyptic number.

68688674 is a deficient number, since it is larger than the sum of its proper divisors (34550686).

68688674 is a wasteful number, since it uses less digits than its factorization.

68688674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68784.

The product of its digits is 3096576, while the sum is 53.

The square root of 68688674 is about 8287.8630538879. The cubic root of 68688674 is about 409.5387913158.

The spelling of 68688674 in words is "sixty-eight million, six hundred eighty-eight thousand, six hundred seventy-four".