68377117 has 8 divisors (see below), whose sum is σ = 69272280. Its totient is φ = 67487040.

The previous prime is 68377097. The next prime is 68377121. The reversal of 68377117 is 71177386.

It can be written as a sum of positive squares in 4 ways, for example, as 51681721 + 16695396 = 7189^2 + 4086^2 .

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-68377117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68377117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68377717) 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, 30867 + ... + 33007.

It is an arithmetic number, because the mean of its divisors is an integer number (8659035).

Almost surely, 2^68377117 is an apocalyptic number.

It is an amenable number.

68377117 is a deficient number, since it is larger than the sum of its proper divisors (895163).

68377117 is a wasteful number, since it uses less digits than its factorization.

68377117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543.

The product of its digits is 49392, while the sum is 40.

The square root of 68377117 is about 8269.0457127773. The cubic root of 68377117 is about 408.9186595855.

The spelling of 68377117 in words is "sixty-eight million, three hundred seventy-seven thousand, one hundred seventeen".