2702009 has 4 divisors (see below), whose sum is σ = 2844240. Its totient is φ = 2559780.

The previous prime is 2702003. The next prime is 2702033. The reversal of 2702009 is 9002072.

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 2702009 - 2¹² = 2697913 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2702003) 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, 71087 + ... + 71124.

It is an arithmetic number, because the mean of its divisors is an integer number (711060).

2^2702009 is an apocalyptic number.

It is an amenable number.

2702009 is a deficient number, since it is larger than the sum of its proper divisors (142231).

2702009 is a wasteful number, since it uses less digits than its factorization.

2702009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142230.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2702009 is about 1643.7788780733. The cubic root of 2702009 is about 139.2821933051.

The spelling of 2702009 in words is "two million, seven hundred two thousand, nine".