2668573 has 4 divisors (see below), whose sum is σ = 2754688. Its totient is φ = 2582460.

The previous prime is 2668571. The next prime is 2668577. The reversal of 2668573 is 3758662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2668573 - 2¹ = 2668571 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 6⁶ + 8⁷ + 5³ + 7³ + 3 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668571) 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, 43011 + ... + 43072.

It is an arithmetic number, because the mean of its divisors is an integer number (688672).

2^2668573 is an apocalyptic number.

It is an amenable number.

2668573 is a deficient number, since it is larger than the sum of its proper divisors (86115).

2668573 is an equidigital number, since it uses as much as digits as its factorization.

2668573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86114.

The product of its digits is 60480, while the sum is 37.

The square root of 2668573 is about 1633.5767505691. The cubic root of 2668573 is about 138.7052914418.

The spelling of 2668573 in words is "two million, six hundred sixty-eight thousand, five hundred seventy-three".