673869903 has 24 divisors (see below), whose sum is σ = 1100200320. Its totient is φ = 364800240.

The previous prime is 673869887. The next prime is 673869923. The reversal of 673869903 is 309968376.

It is a happy number.

It is not a de Polignac number, because 673869903 - 2⁴ = 673869887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673869923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117843 + ... + 123428.

It is an arithmetic number, because the mean of its divisors is an integer number (45841680).

Almost surely, 2^673869903 is an apocalyptic number.

673869903 is a deficient number, since it is larger than the sum of its proper divisors (426330417).

673869903 is a wasteful number, since it uses less digits than its factorization.

673869903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241307 (or 241300 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 673869903 is about 25959.0042759733. The cubic root of 673869903 is about 876.7155037603.

The spelling of 673869903 in words is "six hundred seventy-three million, eight hundred sixty-nine thousand, nine hundred three".