44006731 has 4 divisors (see below), whose sum is σ = 44057232. Its totient is φ = 43956232.

The previous prime is 44006719. The next prime is 44006737. The reversal of 44006731 is 13760044.

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

It is a cyclic number.

It is not a de Polignac number, because 44006731 - 2¹⁷ = 43875659 is a prime.

It is a super-2 number, since 2×44006731² = 3873184746612722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44006696 and 44006705.

It is not an unprimeable number, because it can be changed into a prime (44006737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23920 + ... + 25693.

It is an arithmetic number, because the mean of its divisors is an integer number (11014308).

Almost surely, 2^44006731 is an apocalyptic number.

44006731 is a deficient number, since it is larger than the sum of its proper divisors (50501).

44006731 is an equidigital number, since it uses as much as digits as its factorization.

44006731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50500.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 44006731 is about 6633.7569295234. The cubic root of 44006731 is about 353.0528347167.

Adding to 44006731 its reverse (13760044), we get a palindrome (57766775).

The spelling of 44006731 in words is "forty-four million, six thousand, seven hundred thirty-one".