671906360 has 128 divisors (see below), whose sum is σ = 1654732800. Its totient is φ = 244823040.

The previous prime is 671906353. The next prime is 671906371. The reversal of 671906360 is 63609176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1772651 + ... + 1773029.

It is an arithmetic number, because the mean of its divisors is an integer number (12927600).

Almost surely, 2^671906360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 671906360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827366400).

671906360 is an abundant number, since it is smaller than the sum of its proper divisors (982826440).

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

671906360 is a wasteful number, since it uses less digits than its factorization.

671906360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 671906360 is about 25921.1566099972. The cubic root of 671906360 is about 875.8631417452.

The spelling of 671906360 in words is "six hundred seventy-one million, nine hundred six thousand, three hundred sixty".