43744049 has 2 divisors, whose sum is σ = 43744050. Its totient is φ = 43744048.

The previous prime is 43744039. The next prime is 43744067. The reversal of 43744049 is 94044734.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 4906225 = 6232^2 + 2215^2 .

It is a cyclic number.

It is not a de Polignac number, because 43744049 - 2⁴ = 43744033 is a prime.

It is not a weakly prime, because it can be changed into another prime (43744039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21872024 + 21872025.

It is an arithmetic number, because the mean of its divisors is an integer number (21872025).

Almost surely, 2^43744049 is an apocalyptic number.

It is an amenable number.

43744049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43744049 is an equidigital number, since it uses as much as digits as its factorization.

43744049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 43744049 is about 6613.9284090471. The cubic root of 43744049 is about 352.3489593170.

The spelling of 43744049 in words is "forty-three million, seven hundred forty-four thousand, forty-nine".