2175972 has 24 divisors (see below), whose sum is σ = 5196576. Its totient is φ = 708288.

The previous prime is 2175947. The next prime is 2175977. The reversal of 2175972 is 2795712.

It is not an unprimeable number, because it can be changed into a prime (2175977) 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, 1593 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (216524).

2^2175972 is an apocalyptic number.

It is an amenable number.

2175972 is an abundant number, since it is smaller than the sum of its proper divisors (3020604).

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

2175972 is a wasteful number, since it uses less digits than its factorization.

2175972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4265 counting only the distinct ones).

The product of its digits is 8820, while the sum is 33.

The square root of 2175972 is about 1475.1176224288. The cubic root of 2175972 is about 129.5839162330.

The spelling of 2175972 in words is "two million, one hundred seventy-five thousand, nine hundred seventy-two".