671072 has 24 divisors (see below), whose sum is σ = 1345176. Its totient is φ = 329472.

The previous prime is 671063. The next prime is 671081. The reversal of 671072 is 270176.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (671063) and next prime (671081).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (56049).

2⁶⁷¹⁰⁷² is an apocalyptic number.

It is an amenable number.

671072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

671072 is a wasteful number, since it uses less digits than its factorization.

671072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 671072 is about 819.1898436870. The cubic root of 671072 is about 87.5500448412.

It can be divided in two parts, 67 and 1072, that multiplied together give a square (71824 = 268²).

The spelling of 671072 in words is "six hundred seventy-one thousand, seventy-two".