671374228 has 12 divisors (see below), whose sum is σ = 1342748512. Its totient is φ = 287731800.

The previous prime is 671374199. The next prime is 671374229. The reversal of 671374228 is 822473176.

671374228 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671374229) by changing a digit.

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, 11988798 + ... + 11988853.

Almost surely, 2^671374228 is an apocalyptic number.

It is an amenable number.

671374228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

671374228 is a wasteful number, since it uses less digits than its factorization.

671374228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23977662 (or 23977660 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 671374228 is about 25910.8901429495. The cubic root of 671374228 is about 875.6318605594.

The spelling of 671374228 in words is "six hundred seventy-one million, three hundred seventy-four thousand, two hundred twenty-eight".