673711635312 has 240 divisors, whose sum is σ = 1967758341120. Its totient is φ = 214977369600.

The previous prime is 673711635293. The next prime is 673711635323. The reversal of 673711635312 is 213536117376.

673711635312 is a `hidden beast` number, since 6 + 7 + 3 + 7 + 1 + 1 + 635 + 3 + 1 + 2 = 666.

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 47 ways as a sum of consecutive naturals, for example, 216000889 + ... + 216004007.

It is an arithmetic number, because the mean of its divisors is an integer number (8198993088).

Almost surely, 2^673711635312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673711635312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983879170560).

673711635312 is an abundant number, since it is smaller than the sum of its proper divisors (1294046705808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673711635312 is a wasteful number, since it uses less digits than its factorization.

673711635312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3812 (or 3803 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The spelling of 673711635312 in words is "six hundred seventy-three billion, seven hundred eleven million, six hundred thirty-five thousand, three hundred twelve".