1673063005 has 4 divisors (see below), whose sum is σ = 2007675612. Its totient is φ = 1338450400.

The previous prime is 1673062981. The next prime is 1673063009. The reversal of 1673063005 is 5003603761.

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 590587204 + 1082475801 = 24302^2 + 32901^2 .

It is not a de Polignac number, because 1673063005 - 2¹⁹ = 1672538717 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673063009) 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, 167306296 + ... + 167306305.

It is an arithmetic number, because the mean of its divisors is an integer number (501918903).

Almost surely, 2^1673063005 is an apocalyptic number.

It is an amenable number.

1673063005 is a deficient number, since it is larger than the sum of its proper divisors (334612607).

1673063005 is an equidigital number, since it uses as much as digits as its factorization.

1673063005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334612606.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 1673063005 is about 40903.0928537195. The cubic root of 1673063005 is about 1187.1459048400.

Adding to 1673063005 its reverse (5003603761), we get a palindrome (6676666766).

The spelling of 1673063005 in words is "one billion, six hundred seventy-three million, sixty-three thousand, five".