671069 has 8 divisors (see below), whose sum is σ = 787968. Its totient is φ = 559440.

The previous prime is 671063. The next prime is 671081. The reversal of 671069 is 960176.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 671069 - 2¹⁶ = 605533 is a prime.

It is a super-2 number, since 2×671069² = 900667205522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037 + ... + 1554.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2⁶⁷¹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

671069 is a deficient number, since it is larger than the sum of its proper divisors (116899).

671069 is a wasteful number, since it uses less digits than its factorization.

671069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 671069 is about 819.1880126076. The cubic root of 671069 is about 87.5499143781.

The spelling of 671069 in words is "six hundred seventy-one thousand, sixty-nine".