671048800 has 72 divisors (see below), whose sum is σ = 1665174672. Its totient is φ = 264000000.

The previous prime is 671048797. The next prime is 671048809. The reversal of 671048800 is 8840176.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671048809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41925 + ... + 55675.

It is an arithmetic number, because the mean of its divisors is an integer number (23127426).

Almost surely, 2^671048800 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 671048800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832587336).

671048800 is an abundant number, since it is smaller than the sum of its proper divisors (994125872).

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

671048800 is a wasteful number, since it uses less digits than its factorization.

671048800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13832 (or 13819 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 671048800 is about 25904.6096284040. The cubic root of 671048800 is about 875.4903591599.

Adding to 671048800 its reverse (8840176), we get a palindrome (679888976).

The spelling of 671048800 in words is "six hundred seventy-one million, forty-eight thousand, eight hundred".