681072705362 has 16 divisors (see below), whose sum is σ = 1167970706880. Its totient is φ = 291783927888.

The previous prime is 681072705301. The next prime is 681072705373. The reversal of 681072705362 is 263507270186.

It is a super-2 number, since 2×681072705362² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8657312 + ... + 8735627.

It is an arithmetic number, because the mean of its divisors is an integer number (72998169180).

Almost surely, 2^681072705362 is an apocalyptic number.

681072705362 is a deficient number, since it is larger than the sum of its proper divisors (486898001518).

681072705362 is a wasteful number, since it uses less digits than its factorization.

681072705362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395745.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 681072705362 in words is "six hundred eighty-one billion, seventy-two million, seven hundred five thousand, three hundred sixty-two".