2730769 has 2 divisors, whose sum is σ = 2730770. Its totient is φ = 2730768.

The previous prime is 2730751. The next prime is 2730781. The reversal of 2730769 is 9670372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2356225 + 374544 = 1535^2 + 612^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730769 - 2⁹ = 2730257 is a prime.

It is a super-2 number, since 2×2730769² = 14914198662722, which contains 22 as substring.

2730769 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2730709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365384 + 1365385.

It is an arithmetic number, because the mean of its divisors is an integer number (1365385).

2^2730769 is an apocalyptic number.

It is an amenable number.

2730769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730769 is an equidigital number, since it uses as much as digits as its factorization.

2730769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 2730769 is about 1652.5038577867. The cubic root of 2730769 is about 139.7746203595.

The spelling of 2730769 in words is "two million, seven hundred thirty thousand, seven hundred sixty-nine".