2723009 has 8 divisors (see below), whose sum is σ = 2976768. Its totient is φ = 2479680.

The previous prime is 2723003. The next prime is 2723033. The reversal of 2723009 is 9003272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2723009 - 2²⁰ = 1674433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2723003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057 + ... + 3110.

It is an arithmetic number, because the mean of its divisors is an integer number (372096).

2^2723009 is an apocalyptic number.

It is an amenable number.

2723009 is a deficient number, since it is larger than the sum of its proper divisors (253759).

2723009 is a wasteful number, since it uses less digits than its factorization.

2723009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 2723009 is about 1650.1542352156. The cubic root of 2723009 is about 139.6420960176.

The spelling of 2723009 in words is "two million, seven hundred twenty-three thousand, nine".