671319472 has 20 divisors (see below), whose sum is σ = 1305385696. Its totient is φ = 334445760.

The previous prime is 671319449. The next prime is 671319487. The reversal of 671319472 is 274913176.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71304 + ... + 80167.

Almost surely, 2^671319472 is an apocalyptic number.

It is an amenable number.

671319472 is a deficient number, since it is larger than the sum of its proper divisors (634066224).

671319472 is a wasteful number, since it uses less digits than its factorization.

671319472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151756 (or 151750 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 671319472 is about 25909.8335000440. The cubic root of 671319472 is about 875.6080549580.

The spelling of 671319472 in words is "six hundred seventy-one million, three hundred nineteen thousand, four hundred seventy-two".