2172760 has 16 divisors (see below), whose sum is σ = 4888800. Its totient is φ = 869088.

The previous prime is 2172733. The next prime is 2172761. The reversal of 2172760 is 672712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27120 + ... + 27199.

It is an arithmetic number, because the mean of its divisors is an integer number (305550).

2^2172760 is an apocalyptic number.

2172760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172760 is an abundant number, since it is smaller than the sum of its proper divisors (2716040).

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

2172760 is a wasteful number, since it uses less digits than its factorization.

2172760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54330 (or 54326 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 2172760 is about 1474.0284936188. The cubic root of 2172760 is about 129.5201242807.

The spelling of 2172760 in words is "two million, one hundred seventy-two thousand, seven hundred sixty".