671414448 has 20 divisors (see below), whose sum is σ = 1734487448. Its totient is φ = 223804800.

The previous prime is 671414417. The next prime is 671414509. The reversal of 671414448 is 844414176.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6993853 + ... + 6993948.

Almost surely, 2^671414448 is an apocalyptic number.

It is an amenable number.

671414448 is an abundant number, since it is smaller than the sum of its proper divisors (1063073000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671414448 is a wasteful number, since it uses less digits than its factorization.

671414448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13987812 (or 13987806 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 671414448 is about 25911.6662528676. Note that the first 3 decimals coincide. The cubic root of 671414448 is about 875.6493456960.

The spelling of 671414448 in words is "six hundred seventy-one million, four hundred fourteen thousand, four hundred forty-eight".