68067707 has 4 divisors (see below), whose sum is σ = 68113200. Its totient is φ = 68022216.

The previous prime is 68067689. The next prime is 68067737. The reversal of 68067707 is 70776086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68067707 - 2¹⁶ = 68002171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68067737) 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, 20423 + ... + 23520.

It is an arithmetic number, because the mean of its divisors is an integer number (17028300).

Almost surely, 2^68067707 is an apocalyptic number.

68067707 is a deficient number, since it is larger than the sum of its proper divisors (45493).

68067707 is a wasteful number, since it uses less digits than its factorization.

68067707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45492.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 68067707 is about 8250.3155697222. The cubic root of 68067707 is about 408.3009341872.

The spelling of 68067707 in words is "sixty-eight million, sixty-seven thousand, seven hundred seven".