43464749 has 2 divisors, whose sum is σ = 43464750. Its totient is φ = 43464748.

The previous prime is 43464739. The next prime is 43464763. The reversal of 43464749 is 94746434.

It is a happy number.

43464749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 2951524 = 6365^2 + 1718^2 .

It is a cyclic number.

It is not a de Polignac number, because 43464749 - 2⁸ = 43464493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43464719) 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, 21732374 + 21732375.

It is an arithmetic number, because the mean of its divisors is an integer number (21732375).

Almost surely, 2^43464749 is an apocalyptic number.

It is an amenable number.

43464749 is a deficient number, since it is larger than the sum of its proper divisors (1).

43464749 is an equidigital number, since it uses as much as digits as its factorization.

43464749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 41.

The square root of 43464749 is about 6592.7800661026. The cubic root of 43464749 is about 351.5974570369.

The spelling of 43464749 in words is "forty-three million, four hundred sixty-four thousand, seven hundred forty-nine".