681327295 has 8 divisors (see below), whose sum is σ = 891919440. Its totient is φ = 495510720.

The previous prime is 681327271. The next prime is 681327313. The reversal of 681327295 is 592723186.

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

It is not a de Polignac number, because 681327295 - 2⁵ = 681327263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6193830 + ... + 6193939.

It is an arithmetic number, because the mean of its divisors is an integer number (111489930).

Almost surely, 2^681327295 is an apocalyptic number.

681327295 is a deficient number, since it is larger than the sum of its proper divisors (210592145).

681327295 is a wasteful number, since it uses less digits than its factorization.

681327295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12387785.

The product of its digits is 181440, while the sum is 43.

The square root of 681327295 is about 26102.2469339327. The cubic root of 681327295 is about 879.9377086590.

The spelling of 681327295 in words is "six hundred eighty-one million, three hundred twenty-seven thousand, two hundred ninety-five".