681107410 has 8 divisors (see below), whose sum is σ = 1225993356. Its totient is φ = 272442960.

The previous prime is 681107381. The next prime is 681107411. The reversal of 681107410 is 14701186.

It can be written as a sum of positive squares in 2 ways, for example, as 583077609 + 98029801 = 24147^2 + 9901^2 .

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

It is not an unprimeable number, because it can be changed into a prime (681107411) 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, 34055361 + ... + 34055380.

Almost surely, 2^681107410 is an apocalyptic number.

681107410 is a deficient number, since it is larger than the sum of its proper divisors (544885946).

681107410 is a wasteful number, since it uses less digits than its factorization.

681107410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68110748.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 681107410 is about 26098.0346003296. The cubic root of 681107410 is about 879.8430376040.

Adding to 681107410 its reverse (14701186), we get a palindrome (695808596).

The spelling of 681107410 in words is "six hundred eighty-one million, one hundred seven thousand, four hundred ten".