671952 has 20 divisors (see below), whose sum is σ = 1736000. Its totient is φ = 223968.

The previous prime is 671947. The next prime is 671969. The reversal of 671952 is 259176.

It is a congruent number.

It is an unprimeable number.

671952 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6952 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (86800).

2⁶⁷¹⁹⁵² is an apocalyptic number.

It is an amenable number.

671952 is an abundant number, since it is smaller than the sum of its proper divisors (1064048).

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

671952 is a wasteful number, since it uses less digits than its factorization.

671952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010 (or 14004 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 671952 is about 819.7267837518. The cubic root of 671952 is about 87.5882972628.

The spelling of 671952 in words is "six hundred seventy-one thousand, nine hundred fifty-two".