43444073 has 8 divisors (see below), whose sum is σ = 44233728. Its totient is φ = 42658704.

The previous prime is 43444067. The next prime is 43444091. The reversal of 43444073 is 37044434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43444073 - 2⁴ = 43444057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43444003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24815 + ... + 26507.

It is an arithmetic number, because the mean of its divisors is an integer number (5529216).

Almost surely, 2^43444073 is an apocalyptic number.

It is an amenable number.

43444073 is a deficient number, since it is larger than the sum of its proper divisors (789655).

43444073 is a wasteful number, since it uses less digits than its factorization.

43444073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 16128, while the sum is 29.

The square root of 43444073 is about 6591.2118005720. The cubic root of 43444073 is about 351.5416970459.

The spelling of 43444073 in words is "forty-three million, four hundred forty-four thousand, seventy-three".