2730047 has 4 divisors (see below), whose sum is σ = 2890656. Its totient is φ = 2569440.

The previous prime is 2730041. The next prime is 2730071. The reversal of 2730047 is 7400372.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2730047 - 2⁶ = 2729983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730041) 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, 80279 + ... + 80312.

It is an arithmetic number, because the mean of its divisors is an integer number (722664).

2^2730047 is an apocalyptic number.

2730047 is a deficient number, since it is larger than the sum of its proper divisors (160609).

2730047 is a wasteful number, since it uses less digits than its factorization.

2730047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160608.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 2730047 is about 1652.2853869716. The cubic root of 2730047 is about 139.7623007319.

The spelling of 2730047 in words is "two million, seven hundred thirty thousand, forty-seven".