44447971 has 2 divisors, whose sum is σ = 44447972. Its totient is φ = 44447970.

The previous prime is 44447969. The next prime is 44447987. The reversal of 44447971 is 17974444.

44447971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 44447971 - 2¹ = 44447969 is a prime.

Together with 44447969, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44447371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22223985 + 22223986.

It is an arithmetic number, because the mean of its divisors is an integer number (22223986).

Almost surely, 2^44447971 is an apocalyptic number.

44447971 is a deficient number, since it is larger than the sum of its proper divisors (1).

44447971 is an equidigital number, since it uses as much as digits as its factorization.

44447971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 40.

The square root of 44447971 is about 6666.9311530869. The cubic root of 44447971 is about 354.2288916243.

The spelling of 44447971 in words is "forty-four million, four hundred forty-seven thousand, nine hundred seventy-one".