2730206 has 4 divisors (see below), whose sum is σ = 4095312. Its totient is φ = 1365102.

The previous prime is 2730197. The next prime is 2730229. The reversal of 2730206 is 6020372.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682550 + ... + 682553.

It is an arithmetic number, because the mean of its divisors is an integer number (1023828).

2^2730206 is an apocalyptic number.

2730206 is a deficient number, since it is larger than the sum of its proper divisors (1365106).

2730206 is a wasteful number, since it uses less digits than its factorization.

2730206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365105.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 2730206 is about 1652.3335014458. Note that the first 3 decimals coincide. The cubic root of 2730206 is about 139.7650139665.

Adding to 2730206 its reverse (6020372), we get a palindrome (8750578).

The spelling of 2730206 in words is "two million, seven hundred thirty thousand, two hundred six".