2668753 has 4 divisors (see below), whose sum is σ = 2674228. Its totient is φ = 2663280.

The previous prime is 2668733. The next prime is 2668769. The reversal of 2668753 is 3578662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 1723969 = 972^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 2668753 - 2⁹ = 2668241 is a prime.

It is a Duffinian number.

2668753 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2668733) 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, 1926 + ... + 3007.

It is an arithmetic number, because the mean of its divisors is an integer number (668557).

2^2668753 is an apocalyptic number.

It is an amenable number.

2668753 is a deficient number, since it is larger than the sum of its proper divisors (5475).

2668753 is an equidigital number, since it uses as much as digits as its factorization.

2668753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

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

The square root of 2668753 is about 1633.6318434702. The cubic root of 2668753 is about 138.7084100113.

Subtracting 2668753 from its reverse (3578662), we obtain a palindrome (909909).

The spelling of 2668753 in words is "two million, six hundred sixty-eight thousand, seven hundred fifty-three".