2040704173 has 4 divisors (see below), whose sum is σ = 2044241500. Its totient is φ = 2037166848.

The previous prime is 2040704167. The next prime is 2040704189. The reversal of 2040704173 is 3714070402.

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 1637578089 + 403126084 = 40467^2 + 20078^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040704173 - 2¹³ = 2040695981 is a prime.

It is a super-2 number, since 2×2040704173² = 8328947043399227858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040704773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767798 + ... + 1768951.

It is an arithmetic number, because the mean of its divisors is an integer number (511060375).

Almost surely, 2^2040704173 is an apocalyptic number.

It is an amenable number.

2040704173 is a deficient number, since it is larger than the sum of its proper divisors (3537327).

2040704173 is an equidigital number, since it uses as much as digits as its factorization.

2040704173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537326.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2040704173 is about 45174.1538160927. The cubic root of 2040704173 is about 1268.4110520787.

Adding to 2040704173 its reverse (3714070402), we get a palindrome (5754774575).

The spelling of 2040704173 in words is "two billion, forty million, seven hundred four thousand, one hundred seventy-three".