68773617 has 36 divisors (see below), whose sum is σ = 113284080. Its totient is φ = 41663160.

The previous prime is 68773609. The next prime is 68773631. The reversal of 68773617 is 71637786.

It is a happy number.

It is not a de Polignac number, because 68773617 - 2³ = 68773609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68773637) 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 35 ways as a sum of consecutive naturals, for example, 28234 + ... + 30572.

It is an arithmetic number, because the mean of its divisors is an integer number (3146780).

Almost surely, 2^68773617 is an apocalyptic number.

It is an amenable number.

68773617 is a deficient number, since it is larger than the sum of its proper divisors (44510463).

68773617 is a wasteful number, since it uses less digits than its factorization.

68773617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376 (or 2353 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 68773617 is about 8292.9860122877. The cubic root of 68773617 is about 409.7075388038.

The spelling of 68773617 in words is "sixty-eight million, seven hundred seventy-three thousand, six hundred seventeen".