671884752 has 80 divisors (see below), whose sum is σ = 2164004352. Its totient is φ = 174514560.

The previous prime is 671884747. The next prime is 671884781. The reversal of 671884752 is 257488176.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87198 + ... + 94589.

Almost surely, 2^671884752 is an apocalyptic number.

It is an amenable number.

671884752 is an abundant number, since it is smaller than the sum of its proper divisors (1492119600).

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

671884752 is a wasteful number, since it uses less digits than its factorization.

671884752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181816 (or 181810 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 671884752 is about 25920.7398042571. The cubic root of 671884752 is about 875.8537526127.

The spelling of 671884752 in words is "six hundred seventy-one million, eight hundred eighty-four thousand, seven hundred fifty-two".