43074289 has 4 divisors (see below), whose sum is σ = 43107300. Its totient is φ = 43041280.

The previous prime is 43074287. The next prime is 43074323. The reversal of 43074289 is 98247034.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22896225 + 20178064 = 4785^2 + 4492^2 .

It is a cyclic number.

It is not a de Polignac number, because 43074289 - 2¹ = 43074287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43074281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14464 + ... + 17185.

It is an arithmetic number, because the mean of its divisors is an integer number (10776825).

Almost surely, 2^43074289 is an apocalyptic number.

It is an amenable number.

43074289 is a deficient number, since it is larger than the sum of its proper divisors (33011).

43074289 is a wasteful number, since it uses less digits than its factorization.

43074289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33010.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 43074289 is about 6563.1005629961. The cubic root of 43074289 is about 350.5414449537.

The spelling of 43074289 in words is "forty-three million, seventy-four thousand, two hundred eighty-nine".