704681476681 has 16 divisors (see below), whose sum is σ = 867664804608. Its totient is φ = 557315841600.

The previous prime is 704681476637. The next prime is 704681476787. The reversal of 704681476681 is 186674186407.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-704681476681 is a prime.

It is a super-2 number, since 2×704681476681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (704681476381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409485 + ... + 1842826.

It is an arithmetic number, because the mean of its divisors is an integer number (54229050288).

Almost surely, 2^704681476681 is an apocalyptic number.

It is an amenable number.

704681476681 is a deficient number, since it is larger than the sum of its proper divisors (162983327927).

704681476681 is a wasteful number, since it uses less digits than its factorization.

704681476681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254712.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The spelling of 704681476681 in words is "seven hundred four billion, six hundred eighty-one million, four hundred seventy-six thousand, six hundred eighty-one".