2740069 has 2 divisors, whose sum is σ = 2740070. Its totient is φ = 2740068.

The previous prime is 2740061. The next prime is 2740093. The reversal of 2740069 is 9600472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1595169 + 1144900 = 1263^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 2740069 - 2³ = 2740061 is a prime.

It is a super-2 number, since 2×2740069² = 15015956249522, which contains 22 as substring.

2740069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2740061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370034 + 1370035.

It is an arithmetic number, because the mean of its divisors is an integer number (1370035).

2^2740069 is an apocalyptic number.

It is an amenable number.

2740069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740069 is an equidigital number, since it uses as much as digits as its factorization.

2740069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2740069 is about 1655.3153778057. The cubic root of 2740069 is about 139.9331143086.

The spelling of 2740069 in words is "two million, seven hundred forty thousand, sixty-nine".