2730687 has 4 divisors (see below), whose sum is σ = 3640920. Its totient is φ = 1820456.

The previous prime is 2730683. The next prime is 2730691. The reversal of 2730687 is 7860372.

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

It is an interprime number because it is at equal distance from previous prime (2730683) and next prime (2730691).

It is a cyclic number.

It is not a de Polignac number, because 2730687 - 2² = 2730683 is a prime.

It is a D-number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730683) 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, 455112 + ... + 455117.

It is an arithmetic number, because the mean of its divisors is an integer number (910230).

2^2730687 is an apocalyptic number.

2730687 is a deficient number, since it is larger than the sum of its proper divisors (910233).

2730687 is an equidigital number, since it uses as much as digits as its factorization.

2730687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910232.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2730687 is about 1652.4790467658. The cubic root of 2730687 is about 139.7732212867.

The spelling of 2730687 in words is "two million, seven hundred thirty thousand, six hundred eighty-seven".