443744073 has 24 divisors (see below), whose sum is σ = 654455880. Its totient is φ = 289647360.

The previous prime is 443744039. The next prime is 443744089. The reversal of 443744073 is 370447344.

It can be written as a sum of positive squares in 4 ways, for example, as 60093504 + 383650569 = 7752^2 + 19587^2 .

It is not a de Polignac number, because 443744073 - 2⁶ = 443744009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (443744003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126183 + ... + 129651.

It is an arithmetic number, because the mean of its divisors is an integer number (27268995).

Almost surely, 2^443744073 is an apocalyptic number.

It is an amenable number.

443744073 is a deficient number, since it is larger than the sum of its proper divisors (210711807).

443744073 is a wasteful number, since it uses less digits than its factorization.

443744073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769 (or 3766 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

The square root of 443744073 is about 21065.2337513734. The cubic root of 443744073 is about 762.7417550361.

The spelling of 443744073 in words is "four hundred forty-three million, seven hundred forty-four thousand, seventy-three".