2320782073 has 4 divisors (see below), whose sum is σ = 2364570468. Its totient is φ = 2276993680.

The previous prime is 2320782049. The next prime is 2320782083. The reversal of 2320782073 is 3702870232.

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 1080897129 + 1239884944 = 32877^2 + 35212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320782073 - 2¹⁷ = 2320651001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320782083) 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, 21894118 + ... + 21894223.

It is an arithmetic number, because the mean of its divisors is an integer number (591142617).

Almost surely, 2^2320782073 is an apocalyptic number.

It is an amenable number.

2320782073 is a deficient number, since it is larger than the sum of its proper divisors (43788395).

2320782073 is an equidigital number, since it uses as much as digits as its factorization.

2320782073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43788394.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2320782073 is about 48174.4960845466. The cubic root of 2320782073 is about 1323.9699264580.

The spelling of 2320782073 in words is "two billion, three hundred twenty million, seven hundred eighty-two thousand, seventy-three".