2730081 has 16 divisors (see below), whose sum is σ = 3888000. Its totient is φ = 1698048.

The previous prime is 2730071. The next prime is 2730109. The reversal of 2730081 is 1800372.

It is not a de Polignac number, because 2730081 - 2⁶ = 2730017 is a prime.

It is a super-2 number, since 2×2730081² = 14906684533122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2730001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10015 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (243000).

2^2730081 is an apocalyptic number.

It is an amenable number.

2730081 is a deficient number, since it is larger than the sum of its proper divisors (1157919).

2730081 is a wasteful number, since it uses less digits than its factorization.

2730081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2730081 is about 1652.2956757191. The cubic root of 2730081 is about 139.7628809293.

The spelling of 2730081 in words is "two million, seven hundred thirty thousand, eighty-one".