68688326 has 8 divisors (see below), whose sum is σ = 117751440. Its totient is φ = 29437848.

The previous prime is 68688289. The next prime is 68688341. The reversal of 68688326 is 62388686.

It is a happy number.

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

It is a super-2 number, since 2×68688326² = 9436172257364552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453141 + ... + 2453168.

It is an arithmetic number, because the mean of its divisors is an integer number (14718930).

Almost surely, 2^68688326 is an apocalyptic number.

68688326 is a deficient number, since it is larger than the sum of its proper divisors (49063114).

68688326 is a wasteful number, since it uses less digits than its factorization.

68688326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906318.

The product of its digits is 663552, while the sum is 47.

The square root of 68688326 is about 8287.8420593059. The cubic root of 68688326 is about 409.5380996941.

The spelling of 68688326 in words is "sixty-eight million, six hundred eighty-eight thousand, three hundred twenty-six".