68735707 has 4 divisors (see below), whose sum is σ = 71724240. Its totient is φ = 65747176.

The previous prime is 68735701. The next prime is 68735717. The reversal of 68735707 is 70753786.

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 68735707 - 2²³ = 60347099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68735701) 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, 1494232 + ... + 1494277.

It is an arithmetic number, because the mean of its divisors is an integer number (17931060).

Almost surely, 2^68735707 is an apocalyptic number.

68735707 is a deficient number, since it is larger than the sum of its proper divisors (2988533).

68735707 is a wasteful number, since it uses less digits than its factorization.

68735707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988532.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 68735707 is about 8290.7000307574. The cubic root of 68735707 is about 409.6322440990.

The spelling of 68735707 in words is "sixty-eight million, seven hundred thirty-five thousand, seven hundred seven".