42444573 has 8 divisors (see below), whose sum is σ = 57660768. Its totient is φ = 27762384.

The previous prime is 42444559. The next prime is 42444583. The reversal of 42444573 is 37544424.

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

It is not a de Polignac number, because 42444573 - 2⁴ = 42444557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444503) 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, 133315 + ... + 133632.

It is an arithmetic number, because the mean of its divisors is an integer number (7207596).

Almost surely, 2^42444573 is an apocalyptic number.

It is an amenable number.

42444573 is a deficient number, since it is larger than the sum of its proper divisors (15216195).

42444573 is a wasteful number, since it uses less digits than its factorization.

42444573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267003.

The product of its digits is 53760, while the sum is 33.

The square root of 42444573 is about 6514.9499614349. The cubic root of 42444573 is about 348.8248286910.

Adding to 42444573 its reverse (37544424), we get a palindrome (79988997).

The spelling of 42444573 in words is "forty-two million, four hundred forty-four thousand, five hundred seventy-three".