673400617784 has 16 divisors (see below), whose sum is σ = 1265476336920. Its totient is φ = 335940261280.

The previous prime is 673400617777. The next prime is 673400617807. The reversal of 673400617784 is 487716004376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95002187 + ... + 95009274.

Almost surely, 2^673400617784 is an apocalyptic number.

It is an amenable number.

673400617784 is a deficient number, since it is larger than the sum of its proper divisors (592075719136).

673400617784 is a wasteful number, since it uses less digits than its factorization.

673400617784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190011910 (or 190011906 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 53.

The spelling of 673400617784 in words is "six hundred seventy-three billion, four hundred million, six hundred seventeen thousand, seven hundred eighty-four".