2172700 has 18 divisors (see below), whose sum is σ = 4714976. Its totient is φ = 869040.

The previous prime is 2172679. The next prime is 2172701. The reversal of 2172700 is 72712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10764 + ... + 10963.

2^2172700 is an apocalyptic number.

2172700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172700 is an abundant number, since it is smaller than the sum of its proper divisors (2542276).

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

2172700 is a wasteful number, since it uses less digits than its factorization.

2172700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21741 (or 21734 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 2172700 is about 1474.0081410901. The cubic root of 2172700 is about 129.5189320522.

The spelling of 2172700 in words is "two million, one hundred seventy-two thousand, seven hundred".