2730069 has 6 divisors (see below), whose sum is σ = 3943446. Its totient is φ = 1820040.

The previous prime is 2730041. The next prime is 2730071. The reversal of 2730069 is 9600372.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 7569 = 1650^2 + 87^2 .

It is not a de Polignac number, because 2730069 - 2⁸ = 2729813 is a prime.

It is a super-2 number, since 2×2730069² = 14906553489522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151662 + ... + 151679.

It is an arithmetic number, because the mean of its divisors is an integer number (657241).

2^2730069 is an apocalyptic number.

It is an amenable number.

2730069 is a deficient number, since it is larger than the sum of its proper divisors (1213377).

2730069 is a wasteful number, since it uses less digits than its factorization.

2730069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303347 (or 303344 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 2730069 is about 1652.2920444038. The cubic root of 2730069 is about 139.7626761543.

The spelling of 2730069 in words is "two million, seven hundred thirty thousand, sixty-nine".