4520157073 has 4 divisors (see below), whose sum is σ = 4533570340. Its totient is φ = 4506743808.

The previous prime is 4520157071. The next prime is 4520157091. The reversal of 4520157073 is 3707510254.

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 2656680849 + 1863476224 = 51543^2 + 43168^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520157073 - 2¹ = 4520157071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520157071) 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, 6706128 + ... + 6706801.

It is an arithmetic number, because the mean of its divisors is an integer number (1133392585).

Almost surely, 2^4520157073 is an apocalyptic number.

It is an amenable number.

4520157073 is a deficient number, since it is larger than the sum of its proper divisors (13413267).

4520157073 is a wasteful number, since it uses less digits than its factorization.

4520157073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413266.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 4520157073 is about 67232.1134057230. The cubic root of 4520157073 is about 1653.4250339853.

The spelling of 4520157073 in words is "four billion, five hundred twenty million, one hundred fifty-seven thousand, seventy-three".