671414481 has 16 divisors (see below), whose sum is σ = 998094720. Its totient is φ = 446076720.

The previous prime is 671414417. The next prime is 671414509. The reversal of 671414481 is 184414176.

It is not a de Polignac number, because 671414481 - 2⁶ = 671414417 is a prime.

It is a super-2 number, since 2×671414481² = 901594810592998722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671414981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34525 + ... + 50346.

It is an arithmetic number, because the mean of its divisors is an integer number (62380920).

Almost surely, 2^671414481 is an apocalyptic number.

It is an amenable number.

671414481 is a deficient number, since it is larger than the sum of its proper divisors (326680239).

671414481 is a wasteful number, since it uses less digits than its factorization.

671414481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85173 (or 85167 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 671414481 is about 25911.6668896464. Note that the first 3 decimals coincide. The cubic root of 671414481 is about 875.6493600420.

The spelling of 671414481 in words is "six hundred seventy-one million, four hundred fourteen thousand, four hundred eighty-one".