671792 has 30 divisors (see below), whose sum is σ = 1434804. Its totient is φ = 304480.

The previous prime is 671791. The next prime is 671831. The reversal of 671792 is 297176.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 671792.

It is not an unprimeable number, because it can be changed into a prime (671791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1763 + ... + 2109.

2⁶⁷¹⁷⁹² 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 671792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717402).

671792 is an abundant number, since it is smaller than the sum of its proper divisors (763012).

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

671792 is a wasteful number, since it uses less digits than its factorization.

671792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 360 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 671792 is about 819.6291844487. The cubic root of 671792 is about 87.5813447622.

The spelling of 671792 in words is "six hundred seventy-one thousand, seven hundred ninety-two".