2743009 has 4 divisors (see below), whose sum is σ = 2764080. Its totient is φ = 2721940.

The previous prime is 2743007. The next prime is 2743019. The reversal of 2743009 is 9003472.

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 2743009 - 2¹ = 2743007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2743007) 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, 10339 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (691020).

2^2743009 is an apocalyptic number.

It is an amenable number.

2743009 is a deficient number, since it is larger than the sum of its proper divisors (21071).

2743009 is a wasteful number, since it uses less digits than its factorization.

2743009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21070.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2743009 is about 1656.2031880177. The cubic root of 2743009 is about 139.9831442292.

The spelling of 2743009 in words is "two million, seven hundred forty-three thousand, nine".