2276749 has 2 divisors, whose sum is σ = 2276750. Its totient is φ = 2276748.

The previous prime is 2276741. The next prime is 2276753. The reversal of 2276749 is 9476722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 101124 = 1475^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 2276749 - 2³ = 2276741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2276741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138374 + 1138375.

It is an arithmetic number, because the mean of its divisors is an integer number (1138375).

2^2276749 is an apocalyptic number.

It is an amenable number.

2276749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2276749 is an equidigital number, since it uses as much as digits as its factorization.

2276749 is an evil number, because the sum of its binary digits is even.

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

The square root of 2276749 is about 1508.8899893630. The cubic root of 2276749 is about 131.5543010427.

It can be divided in two parts, 2276 and 749, that added together give a square (3025 = 55²).

The spelling of 2276749 in words is "two million, two hundred seventy-six thousand, seven hundred forty-nine".