671627444 has 24 divisors (see below), whose sum is σ = 1206485280. Its totient is φ = 327024416.

The previous prime is 671627419. The next prime is 671627471. The reversal of 671627444 is 444726176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11954 + ... + 38550.

It is an arithmetic number, because the mean of its divisors is an integer number (50270220).

Almost surely, 2^671627444 is an apocalyptic number.

It is an amenable number.

671627444 is a deficient number, since it is larger than the sum of its proper divisors (534857836).

671627444 is a wasteful number, since it uses less digits than its factorization.

671627444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26767 (or 26765 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The square root of 671627444 is about 25915.7759675453. The cubic root of 671627444 is about 875.7419313756.

The spelling of 671627444 in words is "six hundred seventy-one million, six hundred twenty-seven thousand, four hundred forty-four".