43774049 has 6 divisors (see below), whose sum is σ = 48115410. Its totient is φ = 39794480.

The previous prime is 43774013. The next prime is 43774051. The reversal of 43774049 is 94047734.

It is a happy number.

43774049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42837025 + 937024 = 6545^2 + 968^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43774049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43774009) 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 in 5 ways as a sum of consecutive naturals, for example, 180764 + ... + 181005.

It is an arithmetic number, because the mean of its divisors is an integer number (8019235).

Almost surely, 2^43774049 is an apocalyptic number.

It is an amenable number.

43774049 is a deficient number, since it is larger than the sum of its proper divisors (4341361).

43774049 is a wasteful number, since it uses less digits than its factorization.

43774049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361791 (or 361780 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 43774049 is about 6616.1959614268. The cubic root of 43774049 is about 352.4294887719.

The spelling of 43774049 in words is "forty-three million, seven hundred seventy-four thousand, forty-nine".