671717041 has 4 divisors (see below), whose sum is σ = 676844784. Its totient is φ = 666589300.

The previous prime is 671717027. The next prime is 671717069. The reversal of 671717041 is 140717176.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 671717041 - 2¹¹ = 671714993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671716988 and 671717006.

It is not an unprimeable number, because it can be changed into a prime (671717741) 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, 2563675 + ... + 2563936.

It is an arithmetic number, because the mean of its divisors is an integer number (169211196).

Almost surely, 2^671717041 is an apocalyptic number.

It is an amenable number.

671717041 is a deficient number, since it is larger than the sum of its proper divisors (5127743).

671717041 is a wasteful number, since it uses less digits than its factorization.

671717041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127742.

The product of its (nonzero) digits is 8232, while the sum is 34.

The square root of 671717041 is about 25917.5045287929. The cubic root of 671717041 is about 875.7808717940.

The spelling of 671717041 in words is "six hundred seventy-one million, seven hundred seventeen thousand, forty-one".