671304452 has 24 divisors (see below), whose sum is σ = 1445887296. Its totient is φ = 265570848.

The previous prime is 671304421. The next prime is 671304467. The reversal of 671304452 is 254403176.

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, 921758 + ... + 922485.

It is an arithmetic number, because the mean of its divisors is an integer number (60245304).

Almost surely, 2^671304452 is an apocalyptic number.

It is an amenable number.

671304452 is an abundant number, since it is smaller than the sum of its proper divisors (774582844).

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

671304452 is a wasteful number, since it uses less digits than its factorization.

671304452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844267 (or 1844265 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 671304452 is about 25909.5436470811. The cubic root of 671304452 is about 875.6015246688.

The spelling of 671304452 in words is "six hundred seventy-one million, three hundred four thousand, four hundred fifty-two".