68767073 has 4 divisors (see below), whose sum is σ = 68784660. Its totient is φ = 68749488.

The previous prime is 68767043. The next prime is 68767087. The reversal of 68767073 is 37076786.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 66308449 = 1568^2 + 8143^2 .

It is a cyclic number.

It is not a de Polignac number, because 68767073 - 2¹⁶ = 68701537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68767003) 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 3 ways as a sum of consecutive naturals, for example, 11 + ... + 11727.

It is an arithmetic number, because the mean of its divisors is an integer number (17196165).

Almost surely, 2^68767073 is an apocalyptic number.

It is an amenable number.

68767073 is a deficient number, since it is larger than the sum of its proper divisors (17587).

68767073 is a wasteful number, since it uses less digits than its factorization.

68767073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17586.

The product of its (nonzero) digits is 296352, while the sum is 44.

The square root of 68767073 is about 8292.5914526160. The cubic root of 68767073 is about 409.6945434562.

The spelling of 68767073 in words is "sixty-eight million, seven hundred sixty-seven thousand, seventy-three".