2688573 has 4 divisors (see below), whose sum is σ = 3584768. Its totient is φ = 1792380.

The previous prime is 2688563. The next prime is 2688611. The reversal of 2688573 is 3758862.

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 not a de Polignac number, because 2688573 - 2¹⁰ = 2687549 is a prime.

It is a D-number.

It is a Duffinian number.

2688573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2688523) 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, 448093 + ... + 448098.

It is an arithmetic number, because the mean of its divisors is an integer number (896192).

2^2688573 is an apocalyptic number.

It is an amenable number.

2688573 is a deficient number, since it is larger than the sum of its proper divisors (896195).

2688573 is an equidigital number, since it uses as much as digits as its factorization.

2688573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896194.

The product of its digits is 80640, while the sum is 39.

The square root of 2688573 is about 1639.6868603486. The cubic root of 2688573 is about 139.0509448716.

The spelling of 2688573 in words is "two million, six hundred eighty-eight thousand, five hundred seventy-three".