68345177 has 4 divisors (see below), whose sum is σ = 68883456. Its totient is φ = 67806900.

The previous prime is 68345161. The next prime is 68345203. The reversal of 68345177 is 77154386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68345177 - 2⁴ = 68345161 is a prime.

It is a super-2 number, since 2×68345177² = 9342126438322658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68345077) 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 3 ways as a sum of consecutive naturals, for example, 268949 + ... + 269202.

It is an arithmetic number, because the mean of its divisors is an integer number (17220864).

Almost surely, 2^68345177 is an apocalyptic number.

It is an amenable number.

68345177 is a deficient number, since it is larger than the sum of its proper divisors (538279).

68345177 is a wasteful number, since it uses less digits than its factorization.

68345177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538278.

The product of its digits is 141120, while the sum is 41.

The square root of 68345177 is about 8267.1141881554. The cubic root of 68345177 is about 408.8549789434.

The spelling of 68345177 in words is "sixty-eight million, three hundred forty-five thousand, one hundred seventy-seven".