67668341 has 8 divisors (see below), whose sum is σ = 73042200. Its totient is φ = 62318592.

The previous prime is 67668331. The next prime is 67668353. The reversal of 67668341 is 14386676.

It can be written as a sum of positive squares in 4 ways, for example, as 17556100 + 50112241 = 4190^2 + 7079^2 .

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 67668341 - 2¹⁰ = 67667317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67668311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41 + ... + 11633.

It is an arithmetic number, because the mean of its divisors is an integer number (9130275).

Almost surely, 2^67668341 is an apocalyptic number.

It is an amenable number.

67668341 is a deficient number, since it is larger than the sum of its proper divisors (5373859).

67668341 is a wasteful number, since it uses less digits than its factorization.

67668341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12055.

The product of its digits is 145152, while the sum is 41.

The square root of 67668341 is about 8226.0768899883. The cubic root of 67668341 is about 407.5008413296.

The spelling of 67668341 in words is "sixty-seven million, six hundred sixty-eight thousand, three hundred forty-one".