2173047 has 8 divisors (see below), whose sum is σ = 2975856. Its totient is φ = 1409472.

The previous prime is 2173043. The next prime is 2173051. The reversal of 2173047 is 7403712.

It is an interprime number because it is at equal distance from previous prime (2173043) and next prime (2173051).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2173047 - 2² = 2173043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173043) 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, 9678 + ... + 9899.

It is an arithmetic number, because the mean of its divisors is an integer number (371982).

2^2173047 is an apocalyptic number.

2173047 is a deficient number, since it is larger than the sum of its proper divisors (802809).

2173047 is a wasteful number, since it uses less digits than its factorization.

2173047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 2173047 is about 1474.1258426607. The cubic root of 2173047 is about 129.5258268033.

Adding to 2173047 its reverse (7403712), we get a palindrome (9576759).

The spelling of 2173047 in words is "two million, one hundred seventy-three thousand, forty-seven".