68587841 has 8 divisors (see below), whose sum is σ = 80914944. Its totient is φ = 56892960.

The previous prime is 68587811. The next prime is 68587847. The reversal of 68587841 is 14878586.

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 a de Polignac number, because none of the positive numbers 2^k-68587841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68587847) 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, 157820 + ... + 158253.

It is an arithmetic number, because the mean of its divisors is an integer number (10114368).

Almost surely, 2^68587841 is an apocalyptic number.

It is an amenable number.

68587841 is a deficient number, since it is larger than the sum of its proper divisors (12327103).

68587841 is a wasteful number, since it uses less digits than its factorization.

68587841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316111.

The product of its digits is 430080, while the sum is 47.

The square root of 68587841 is about 8281.7776473412. Note that the first 3 decimals coincide. The cubic root of 68587841 is about 409.3382961169.

The spelling of 68587841 in words is "sixty-eight million, five hundred eighty-seven thousand, eight hundred forty-one".