68368447 has 8 divisors (see below), whose sum is σ = 78260256. Its totient is φ = 58507872.

The previous prime is 68368439. The next prime is 68368451. The reversal of 68368447 is 74486386.

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 68368447 - 2³ = 68368439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68368397 and 68368406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68368427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2908 + ... + 12049.

It is an arithmetic number, because the mean of its divisors is an integer number (9782532).

Almost surely, 2^68368447 is an apocalyptic number.

68368447 is a deficient number, since it is larger than the sum of its proper divisors (9891809).

68368447 is a wasteful number, since it uses less digits than its factorization.

68368447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15617.

The product of its digits is 774144, while the sum is 46.

The square root of 68368447 is about 8268.5214518679. The cubic root of 68368447 is about 408.9013756618.

The spelling of 68368447 in words is "sixty-eight million, three hundred sixty-eight thousand, four hundred forty-seven".