2170072 has 16 divisors (see below), whose sum is σ = 4084560. Its totient is φ = 1080864.

The previous prime is 2170061. The next prime is 2170109. The reversal of 2170072 is 2700712.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3618 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (255285).

2^2170072 is an apocalyptic number.

It is an amenable number.

2170072 is a deficient number, since it is larger than the sum of its proper divisors (1914488).

2170072 is a wasteful number, since it uses less digits than its factorization.

2170072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1046 counting only the distinct ones).

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

The square root of 2170072 is about 1473.1164244553. The cubic root of 2170072 is about 129.4666908960.

Adding to 2170072 its reverse (2700712), we get a palindrome (4870784).

The spelling of 2170072 in words is "two million, one hundred seventy thousand, seventy-two".