2579673 has 4 divisors (see below), whose sum is σ = 3439568. Its totient is φ = 1719780.

The previous prime is 2579659. The next prime is 2579683. The reversal of 2579673 is 3769752.

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 de Polignac number, because none of the positive numbers 2^k-2579673 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 5⁷ + 7 + 9⁴ + 6⁷ + 7⁶ + 3⁵ .

It is a D-number.

It is a Duffinian number.

2579673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2579623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429943 + ... + 429948.

It is an arithmetic number, because the mean of its divisors is an integer number (859892).

2^2579673 is an apocalyptic number.

It is an amenable number.

2579673 is a deficient number, since it is larger than the sum of its proper divisors (859895).

2579673 is an equidigital number, since it uses as much as digits as its factorization.

2579673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859894.

The product of its digits is 79380, while the sum is 39.

The square root of 2579673 is about 1606.1360465415. The cubic root of 2579673 is about 137.1476022974.

The spelling of 2579673 in words is "two million, five hundred seventy-nine thousand, six hundred seventy-three".