800073073 has 4 divisors (see below), whose sum is σ = 800159220. Its totient is φ = 799986928.

The previous prime is 800073041. The next prime is 800073103. The reversal of 800073073 is 370370008.

800073073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 414814689 + 385258384 = 20367^2 + 19628^2 .

It is a cyclic number.

It is not a de Polignac number, because 800073073 - 2⁵ = 800073041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800074073) 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, 27190 + ... + 48367.

It is an arithmetic number, because the mean of its divisors is an integer number (200039805).

Almost surely, 2^800073073 is an apocalyptic number.

It is an amenable number.

800073073 is a deficient number, since it is larger than the sum of its proper divisors (86147).

800073073 is a wasteful number, since it uses less digits than its factorization.

800073073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86146.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 800073073 is about 28285.5629783110. The cubic root of 800073073 is about 928.3460304304.

The spelling of 800073073 in words is "eight hundred million, seventy-three thousand, seventy-three".