68056073 has 4 divisors (see below), whose sum is σ = 68757780. Its totient is φ = 67354368.

The previous prime is 68056063. The next prime is 68056091. The reversal of 68056073 is 37065086.

It is a happy number.

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 31899904 + 36156169 = 5648^2 + 6013^2 .

It is a cyclic number.

It is not a de Polignac number, because 68056073 - 2¹⁶ = 67990537 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 (68056063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350708 + ... + 350901.

It is an arithmetic number, because the mean of its divisors is an integer number (17189445).

Almost surely, 2^68056073 is an apocalyptic number.

It is an amenable number.

68056073 is a deficient number, since it is larger than the sum of its proper divisors (701707).

68056073 is an equidigital number, since it uses as much as digits as its factorization.

68056073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701706.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 68056073 is about 8249.6104756528. The cubic root of 68056073 is about 408.2776708614.

The spelling of 68056073 in words is "sixty-eight million, fifty-six thousand, seventy-three".