704343771680 has 24 divisors (see below), whose sum is σ = 1664012160972. Its totient is φ = 281737508608.

The previous prime is 704343771679. The next prime is 704343771683. The reversal of 704343771680 is 86177343407.

It can be written as a sum of positive squares in 2 ways, for example, as 700897142416 + 3446629264 = 837196^2 + 58708^2 .

It is a super-2 number, since 2×704343771680² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (704343771683) by changing a digit.

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, 2201074127 + ... + 2201074446.

Almost surely, 2^704343771680 is an apocalyptic number.

It is an amenable number.

704343771680 is an abundant number, since it is smaller than the sum of its proper divisors (959668389292).

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

704343771680 is a wasteful number, since it uses less digits than its factorization.

704343771680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402148588 (or 4402148580 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 50.

It can be divided in two parts, 7043437 and 71680, that added together give a palindrome (7115117).

The spelling of 704343771680 in words is "seven hundred four billion, three hundred forty-three million, seven hundred seventy-one thousand, six hundred eighty".