681296342 has 8 divisors (see below), whose sum is σ = 1029404376. Its totient is φ = 338161552.

The previous prime is 681296339. The next prime is 681296347. The reversal of 681296342 is 243692186.

681296342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 681296342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681296347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242968 + ... + 1243515.

It is an arithmetic number, because the mean of its divisors is an integer number (128675547).

Almost surely, 2^681296342 is an apocalyptic number.

681296342 is a deficient number, since it is larger than the sum of its proper divisors (348108034).

681296342 is a wasteful number, since it uses less digits than its factorization.

681296342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486622.

The product of its digits is 124416, while the sum is 41.

The square root of 681296342 is about 26101.6540088938. The cubic root of 681296342 is about 879.9243831375.

The spelling of 681296342 in words is "six hundred eighty-one million, two hundred ninety-six thousand, three hundred forty-two".