680741381 has 8 divisors (see below), whose sum is σ = 697227264. Its totient is φ = 664390480.

The previous prime is 680741377. The next prime is 680741393. The reversal of 680741381 is 183147086.

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 680741381 - 2² = 680741377 is a prime.

It is a super-2 number, since 2×680741381² = 926817655611574322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680741881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23501 + ... + 43746.

It is an arithmetic number, because the mean of its divisors is an integer number (87153408).

Almost surely, 2^680741381 is an apocalyptic number.

It is an amenable number.

680741381 is a deficient number, since it is larger than the sum of its proper divisors (16485883).

680741381 is a wasteful number, since it uses less digits than its factorization.

680741381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67491.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 680741381 is about 26091.0210800574. The cubic root of 680741381 is about 879.6853993375.

The spelling of 680741381 in words is "six hundred eighty million, seven hundred forty-one thousand, three hundred eighty-one".