671377041 has 12 divisors (see below), whose sum is σ = 985665460. Its totient is φ = 440246880.

The previous prime is 671377037. The next prime is 671377043. The reversal of 671377041 is 140773176.

It can be written as a sum of positive squares in 2 ways, for example, as 187553025 + 483824016 = 13695^2 + 21996^2 .

It is not a de Polignac number, because 671377041 - 2² = 671377037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 671376987 and 671377005.

It is not an unprimeable number, because it can be changed into a prime (671377043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 610906 + ... + 612003.

Almost surely, 2^671377041 is an apocalyptic number.

671377041 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

671377041 is a deficient number, since it is larger than the sum of its proper divisors (314288419).

671377041 is a wasteful number, since it uses less digits than its factorization.

671377041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222976 (or 1222973 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 671377041 is about 25910.9444250880. The cubic root of 671377041 is about 875.6330834983.

The spelling of 671377041 in words is "six hundred seventy-one million, three hundred seventy-seven thousand, forty-one".