44743021 has 2 divisors, whose sum is σ = 44743022. Its totient is φ = 44743020.

The previous prime is 44743003. The next prime is 44743033. The reversal of 44743021 is 12034744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30680521 + 14062500 = 5539^2 + 3750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44743021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44743051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22371510 + 22371511.

It is an arithmetic number, because the mean of its divisors is an integer number (22371511).

Almost surely, 2^44743021 is an apocalyptic number.

It is an amenable number.

44743021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44743021 is an equidigital number, since it uses as much as digits as its factorization.

44743021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 44743021 is about 6689.0224248391. The cubic root of 44743021 is about 355.0109657394.

Adding to 44743021 its reverse (12034744), we get a palindrome (56777765).

The spelling of 44743021 in words is "forty-four million, seven hundred forty-three thousand, twenty-one".