68505773 has 12 divisors (see below), whose sum is σ = 83885760. Its totient is φ = 55627992.

The previous prime is 68505763. The next prime is 68505791. The reversal of 68505773 is 37750586.

It is not a de Polignac number, because 68505773 - 2⁴ = 68505757 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68505773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68505713) 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 11 ways as a sum of consecutive naturals, for example, 35861 + ... + 37722.

It is an arithmetic number, because the mean of its divisors is an integer number (6990480).

Almost surely, 2^68505773 is an apocalyptic number.

It is an amenable number.

68505773 is a deficient number, since it is larger than the sum of its proper divisors (15379987).

68505773 is a wasteful number, since it uses less digits than its factorization.

68505773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73616 (or 73609 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 68505773 is about 8276.8214309601. The cubic root of 68505773 is about 409.1749679313.

The spelling of 68505773 in words is "sixty-eight million, five hundred five thousand, seven hundred seventy-three".