44491573 has 8 divisors (see below), whose sum is σ = 51030720. Its totient is φ = 37998240.

The previous prime is 44491553. The next prime is 44491589. The reversal of 44491573 is 37519444.

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

It is not a de Polignac number, because 44491573 - 2²¹ = 42394421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44491543) 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, 9343 + ... + 13276.

It is an arithmetic number, because the mean of its divisors is an integer number (6378840).

Almost surely, 2^44491573 is an apocalyptic number.

It is an amenable number.

44491573 is a deficient number, since it is larger than the sum of its proper divisors (6539147).

44491573 is a wasteful number, since it uses less digits than its factorization.

44491573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22907.

The product of its digits is 60480, while the sum is 37.

The square root of 44491573 is about 6670.2003718029. The cubic root of 44491573 is about 354.3446827404.

The spelling of 44491573 in words is "forty-four million, four hundred ninety-one thousand, five hundred seventy-three".