2003947673 has 8 divisors (see below), whose sum is σ = 2466397248. Its totient is φ = 1585540944.

The previous prime is 2003947633. The next prime is 2003947691. The reversal of 2003947673 is 3767493002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2003947673 - 2¹⁰ = 2003946649 is a prime.

It is a super-2 number, since 2×2003947673² = 8031612552244229858, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003947673.

It is not an unprimeable number, because it can be changed into a prime (2003947633) 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 7 ways as a sum of consecutive naturals, for example, 11010611 + ... + 11010792.

It is an arithmetic number, because the mean of its divisors is an integer number (308299656).

Almost surely, 2^2003947673 is an apocalyptic number.

It is an amenable number.

2003947673 is a deficient number, since it is larger than the sum of its proper divisors (462449575).

2003947673 is a wasteful number, since it uses less digits than its factorization.

2003947673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021423.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 2003947673 is about 44765.4741178958. The cubic root of 2003947673 is about 1260.7494644672.

The spelling of 2003947673 in words is "two billion, three million, nine hundred forty-seven thousand, six hundred seventy-three".