68568647 has 8 divisors (see below), whose sum is σ = 78884352. Its totient is φ = 58383000.

The previous prime is 68568631. The next prime is 68568653. The reversal of 68568647 is 74686586.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68568647 - 2⁴ = 68568631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68568595 and 68568604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68568607) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31379 + ... + 33492.

It is an arithmetic number, because the mean of its divisors is an integer number (9860544).

Almost surely, 2^68568647 is an apocalyptic number.

68568647 is a deficient number, since it is larger than the sum of its proper divisors (10315705).

68568647 is a wasteful number, since it uses less digits than its factorization.

68568647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65029.

The product of its digits is 1935360, while the sum is 50.

The square root of 68568647 is about 8280.6187570737. The cubic root of 68568647 is about 409.3001087251.

The spelling of 68568647 in words is "sixty-eight million, five hundred sixty-eight thousand, six hundred forty-seven".