871072 has 24 divisors (see below), whose sum is σ = 1735776. Its totient is φ = 430272.

The previous prime is 871061. The next prime is 871103. The reversal of 871072 is 270178.

It is a happy number.

It is an unprimeable number.

871072 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, 5133 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (72324).

2⁸⁷¹⁰⁷² is an apocalyptic number.

It is an amenable number.

871072 is a deficient number, since it is larger than the sum of its proper divisors (864704).

871072 is a wasteful number, since it uses less digits than its factorization.

871072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 871072 is about 933.3123807172. The cubic root of 871072 is about 95.5032207461.

The spelling of 871072 in words is "eight hundred seventy-one thousand, seventy-two".