671268852 has 72 divisors (see below), whose sum is σ = 1738429056. Its totient is φ = 218300544.

The previous prime is 671268833. The next prime is 671268853. The reversal of 671268852 is 258862176.

671268852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 671268798 and 671268807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671268853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043643 + ... + 1044285.

It is an arithmetic number, because the mean of its divisors is an integer number (24144848).

Almost surely, 2^671268852 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 671268852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869214528).

671268852 is an abundant number, since it is smaller than the sum of its proper divisors (1067160204).

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

671268852 is a wasteful number, since it uses less digits than its factorization.

671268852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1312 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 671268852 is about 25908.8566324336. The cubic root of 671268852 is about 875.5860463637.

The spelling of 671268852 in words is "six hundred seventy-one million, two hundred sixty-eight thousand, eight hundred fifty-two".