681376333 has 8 divisors (see below), whose sum is σ = 746432640. Its totient is φ = 616838880.

The previous prime is 681376313. The next prime is 681376351. The reversal of 681376333 is 333673186.

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

It is a cyclic number.

It is not a de Polignac number, because 681376333 - 2⁵ = 681376301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681376313) 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, 126960 + ... + 132217.

It is an arithmetic number, because the mean of its divisors is an integer number (93304080).

Almost surely, 2^681376333 is an apocalyptic number.

It is an amenable number.

681376333 is a deficient number, since it is larger than the sum of its proper divisors (65056307).

681376333 is a wasteful number, since it uses less digits than its factorization.

681376333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259427.

The product of its digits is 163296, while the sum is 40.

The square root of 681376333 is about 26103.1862614509. The cubic root of 681376333 is about 879.9588190956.

The spelling of 681376333 in words is "six hundred eighty-one million, three hundred seventy-six thousand, three hundred thirty-three".