2742769 has 2 divisors, whose sum is σ = 2742770. Its totient is φ = 2742768.

The previous prime is 2742757. The next prime is 2742781. The reversal of 2742769 is 9672472.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2742757) and next prime (2742781).

It can be written as a sum of positive squares in only one way, i.e., 2480625 + 262144 = 1575^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742769 - 2⁵ = 2742737 is a prime.

It is a super-2 number, since 2×2742769² = 15045563574722, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2 + 7⁷ + 4¹⁰ + 2¹⁵ + 7⁷ + 6⁵ + 9⁴ .

It is not a weakly prime, because it can be changed into another prime (2742739) 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, 1371384 + 1371385.

It is an arithmetic number, because the mean of its divisors is an integer number (1371385).

2^2742769 is an apocalyptic number.

It is an amenable number.

2742769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742769 is an equidigital number, since it uses as much as digits as its factorization.

2742769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 2742769 is about 1656.1307315547. The cubic root of 2742769 is about 139.9790614944.

The spelling of 2742769 in words is "two million, seven hundred forty-two thousand, seven hundred sixty-nine".