44071957 has 4 divisors (see below), whose sum is σ = 44092876. Its totient is φ = 44051040.

The previous prime is 44071919. The next prime is 44071961. The reversal of 44071957 is 75917044.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19061956 + 25010001 = 4366^2 + 5001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44071957 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 (44075957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6894 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (11023219).

Almost surely, 2^44071957 is an apocalyptic number.

It is an amenable number.

44071957 is a deficient number, since it is larger than the sum of its proper divisors (20919).

44071957 is a wasteful number, since it uses less digits than its factorization.

44071957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20918.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 44071957 is about 6638.6713279089. The cubic root of 44071957 is about 353.2271781690.

The spelling of 44071957 in words is "forty-four million, seventy-one thousand, nine hundred fifty-seven".