673612003 has 12 divisors (see below), whose sum is σ = 689238288. Its totient is φ = 658202720.

The previous prime is 673611947. The next prime is 673612013. The reversal of 673612003 is 300216376.

It is a de Polignac number, because none of the positive numbers 2^k-673612003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673612013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2124801 + ... + 2125117.

It is an arithmetic number, because the mean of its divisors is an integer number (57436524).

Almost surely, 2^673612003 is an apocalyptic number.

673612003 is a deficient number, since it is larger than the sum of its proper divisors (15626285).

673612003 is an equidigital number, since it uses as much as digits as its factorization.

673612003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 673612003 is about 25954.0363527525. The cubic root of 673612003 is about 876.6036454831.

Adding to 673612003 its reverse (300216376), we get a palindrome (973828379).

The spelling of 673612003 in words is "six hundred seventy-three million, six hundred twelve thousand, three".