681467343 has 8 divisors (see below), whose sum is σ = 910675968. Its totient is φ = 453285144.

The previous prime is 681467329. The next prime is 681467359. The reversal of 681467343 is 343764186.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 681467343 - 2²² = 677273039 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 681467295 and 681467304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681467363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255055 + ... + 257712.

It is an arithmetic number, because the mean of its divisors is an integer number (113834496).

Almost surely, 2^681467343 is an apocalyptic number.

681467343 is a deficient number, since it is larger than the sum of its proper divisors (229208625).

681467343 is a wasteful number, since it uses less digits than its factorization.

681467343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513213.

The product of its digits is 290304, while the sum is 42.

The square root of 681467343 is about 26104.9294770164. The cubic root of 681467343 is about 879.9979954328.

The spelling of 681467343 in words is "six hundred eighty-one million, four hundred sixty-seven thousand, three hundred forty-three".