681741346 has 48 divisors (see below), whose sum is σ = 1219982400. Its totient is φ = 283805280.

The previous prime is 681741343. The next prime is 681741349. The reversal of 681741346 is 643147186.

It is an interprime number because it is at equal distance from previous prime (681741343) and next prime (681741349).

It is a junction number, because it is equal to n+sod(n) for n = 681741299 and 681741308.

It is not an unprimeable number, because it can be changed into a prime (681741343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436515 + ... + 438073.

It is an arithmetic number, because the mean of its divisors is an integer number (25416300).

Almost surely, 2^681741346 is an apocalyptic number.

681741346 is a deficient number, since it is larger than the sum of its proper divisors (538241054).

681741346 is a wasteful number, since it uses less digits than its factorization.

681741346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1724 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 681741346 is about 26110.1770579979. The cubic root of 681741346 is about 880.1159222289.

The spelling of 681741346 in words is "six hundred eighty-one million, seven hundred forty-one thousand, three hundred forty-six".