44721337 has 2 divisors, whose sum is σ = 44721338. Its totient is φ = 44721336.

The previous prime is 44721331. The next prime is 44721353. The reversal of 44721337 is 73312744.

44721337 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 can be written as a sum of positive squares in only one way, i.e., 34152336 + 10569001 = 5844^2 + 3251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44721337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44721299 and 44721308.

It is not a weakly prime, because it can be changed into another prime (44721331) 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, 22360668 + 22360669.

It is an arithmetic number, because the mean of its divisors is an integer number (22360669).

Almost surely, 2^44721337 is an apocalyptic number.

It is an amenable number.

44721337 is a deficient number, since it is larger than the sum of its proper divisors (1).

44721337 is an equidigital number, since it uses as much as digits as its factorization.

44721337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 44721337 is about 6687.4013637586. The cubic root of 44721337 is about 354.9536063157.

The spelling of 44721337 in words is "forty-four million, seven hundred twenty-one thousand, three hundred thirty-seven".