273342009 has 4 divisors (see below), whose sum is σ = 364456016. Its totient is φ = 182228004.

The previous prime is 273342007. The next prime is 273342011. The reversal of 273342009 is 900243372.

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 an interprime number because it is at equal distance from previous prime (273342007) and next prime (273342011).

It is not a de Polignac number, because 273342009 - 2¹ = 273342007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273342007) 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, 45556999 + ... + 45557004.

It is an arithmetic number, because the mean of its divisors is an integer number (91114004).

Almost surely, 2^273342009 is an apocalyptic number.

It is an amenable number.

273342009 is a deficient number, since it is larger than the sum of its proper divisors (91114007).

273342009 is an equidigital number, since it uses as much as digits as its factorization.

273342009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91114006.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 273342009 is about 16533.0580655848. The cubic root of 273342009 is about 648.9861979032.

The spelling of 273342009 in words is "two hundred seventy-three million, three hundred forty-two thousand, nine".