68773313 has 12 divisors (see below), whose sum is σ = 84708612. Its totient is φ = 55480320.

The previous prime is 68773261. The next prime is 68773337. The reversal of 68773313 is 31337786.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 55472704 + 13300609 = 7448^2 + 3647^2 .

It is not a de Polignac number, because 68773313 - 2⁸ = 68773057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68779313) 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, 40448 + ... + 42113.

It is an arithmetic number, because the mean of its divisors is an integer number (7059051).

Almost surely, 2^68773313 is an apocalyptic number.

It is an amenable number.

68773313 is a deficient number, since it is larger than the sum of its proper divisors (15935299).

68773313 is a wasteful number, since it uses less digits than its factorization.

68773313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82592 (or 82585 counting only the distinct ones).

The product of its digits is 63504, while the sum is 38.

The square root of 68773313 is about 8292.9676835256. The cubic root of 68773313 is about 409.7069351262.

The spelling of 68773313 in words is "sixty-eight million, seven hundred seventy-three thousand, three hundred thirteen".