673688735570 has 16 divisors (see below), whose sum is σ = 1265363190720. Its totient is φ = 257759168304.

The previous prime is 673688735563. The next prime is 673688735597. The reversal of 673688735570 is 75537886376.

It is a junction number, because it is equal to n+sod(n) for n = 673688735497 and 673688735506.

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 7 ways as a sum of consecutive naturals, for example, 1464540500 + ... + 1464540959.

It is an arithmetic number, because the mean of its divisors is an integer number (79085199420).

Almost surely, 2^673688735570 is an apocalyptic number.

673688735570 is a deficient number, since it is larger than the sum of its proper divisors (591674455150).

673688735570 is a wasteful number, since it uses less digits than its factorization.

673688735570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929081489.

The product of its (nonzero) digits is 177811200, while the sum is 65.

The spelling of 673688735570 in words is "six hundred seventy-three billion, six hundred eighty-eight million, seven hundred thirty-five thousand, five hundred seventy".