872671 has 2 divisors, whose sum is σ = 872672. Its totient is φ = 872670.

The previous prime is 872659. The next prime is 872687. The reversal of 872671 is 176278.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 872671 - 2⁹ = 872159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436335 + 436336.

It is an arithmetic number, because the mean of its divisors is an integer number (436336).

2⁸⁷²⁶⁷¹ is an apocalyptic number.

872671 is a deficient number, since it is larger than the sum of its proper divisors (1).

872671 is an equidigital number, since it uses as much as digits as its factorization.

872671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 31.

The square root of 872671 is about 934.1686143304. The cubic root of 872671 is about 95.5616224640.

The spelling of 872671 in words is "eight hundred seventy-two thousand, six hundred seventy-one".