2257673 has 8 divisors (see below), whose sum is σ = 2479680. Its totient is φ = 2038480.

The previous prime is 2257667. The next prime is 2257687. The reversal of 2257673 is 3767522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2257673 - 2⁶ = 2257609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2257643) 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, 1223 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (309960).

2^2257673 is an apocalyptic number.

It is an amenable number.

2257673 is a deficient number, since it is larger than the sum of its proper divisors (222007).

2257673 is a wasteful number, since it uses less digits than its factorization.

2257673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407.

The product of its digits is 17640, while the sum is 32.

The square root of 2257673 is about 1502.5554898239. Note that the first 3 decimals coincide. The cubic root of 2257673 is about 131.1858558828.

The spelling of 2257673 in words is "two million, two hundred fifty-seven thousand, six hundred seventy-three".