673662305824 has 24 divisors (see below), whose sum is σ = 1326766055580. Its totient is φ = 336705847296.

The previous prime is 673662305677. The next prime is 673662305831. The reversal of 673662305824 is 428503266376.

It can be written as a sum of positive squares in 2 ways, for example, as 508283443600 + 165378862224 = 712940^2 + 406668^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3828409 + ... + 4000504.

Almost surely, 2^673662305824 is an apocalyptic number.

It is an amenable number.

673662305824 is a deficient number, since it is larger than the sum of its proper divisors (653103749756).

673662305824 is a wasteful number, since it uses less digits than its factorization.

673662305824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831612 (or 7831604 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 673662305824 in words is "six hundred seventy-three billion, six hundred sixty-two million, three hundred five thousand, eight hundred twenty-four".