671473012 has 12 divisors (see below), whose sum is σ = 1342946080. Its totient is φ = 287774136.

The previous prime is 671472979. The next prime is 671473013. The reversal of 671473012 is 210374176.

671473012 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671473013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11990562 + ... + 11990617.

Almost surely, 2^671473012 is an apocalyptic number.

It is an amenable number.

671473012 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.

671473012 is a wasteful number, since it uses less digits than its factorization.

671473012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981190 (or 23981188 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 671473012 is about 25912.7962983542. The cubic root of 671473012 is about 875.6748044060.

The spelling of 671473012 in words is "six hundred seventy-one million, four hundred seventy-three thousand, twelve".