68340177 has 6 divisors (see below), whose sum is σ = 98713602. Its totient is φ = 45560112.

The previous prime is 68340149. The next prime is 68340179. The reversal of 68340177 is 77104386.

It can be written as a sum of positive squares in only one way, i.e., 62110161 + 6230016 = 7881^2 + 2496^2 .

It is not a de Polignac number, because 68340177 - 2¹⁰ = 68339153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68340179) 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 5 ways as a sum of consecutive naturals, for example, 3796668 + ... + 3796685.

It is an arithmetic number, because the mean of its divisors is an integer number (16452267).

Almost surely, 2^68340177 is an apocalyptic number.

It is an amenable number.

68340177 is a deficient number, since it is larger than the sum of its proper divisors (30373425).

68340177 is a wasteful number, since it uses less digits than its factorization.

68340177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7593359 (or 7593356 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 68340177 is about 8266.8117796403. The cubic root of 68340177 is about 408.8450083557.

The spelling of 68340177 in words is "sixty-eight million, three hundred forty thousand, one hundred seventy-seven".