43774349 has 2 divisors, whose sum is σ = 43774350. Its totient is φ = 43774348.

The previous prime is 43774333. The next prime is 43774361. The reversal of 43774349 is 94347734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24255625 + 19518724 = 4925^2 + 4418^2 .

It is a cyclic number.

It is not a de Polignac number, because 43774349 - 2⁴ = 43774333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43774319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21887174 + 21887175.

It is an arithmetic number, because the mean of its divisors is an integer number (21887175).

Almost surely, 2^43774349 is an apocalyptic number.

It is an amenable number.

43774349 is a deficient number, since it is larger than the sum of its proper divisors (1).

43774349 is an equidigital number, since it uses as much as digits as its factorization.

43774349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 41.

The square root of 43774349 is about 6616.2186330260. The cubic root of 43774349 is about 352.4302938806.

The spelling of 43774349 in words is "forty-three million, seven hundred seventy-four thousand, three hundred forty-nine".