4520664073 has 4 divisors (see below), whose sum is σ = 4520957188. Its totient is φ = 4520370960.

The previous prime is 4520664047. The next prime is 4520664077. The reversal of 4520664073 is 3704660254.

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 2594068624 + 1926595449 = 50932^2 + 43893^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520664073 - 2²⁹ = 3983793161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520664077) 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, 122058 + ... + 154723.

It is an arithmetic number, because the mean of its divisors is an integer number (1130239297).

Almost surely, 2^4520664073 is an apocalyptic number.

It is an amenable number.

4520664073 is a deficient number, since it is larger than the sum of its proper divisors (293115).

4520664073 is a wasteful number, since it uses less digits than its factorization.

4520664073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293114.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 4520664073 is about 67235.8838195796. The cubic root of 4520664073 is about 1653.4868500638.

The spelling of 4520664073 in words is "four billion, five hundred twenty million, six hundred sixty-four thousand, seventy-three".