44707021 has 2 divisors, whose sum is σ = 44707022. Its totient is φ = 44707020.

The previous prime is 44707001. The next prime is 44707027. The reversal of 44707021 is 12070744.

44707021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35640900 + 9066121 = 5970^2 + 3011^2 .

It is a cyclic number.

It is not a de Polignac number, because 44707021 - 2²³ = 36318413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44707027) 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, 22353510 + 22353511.

It is an arithmetic number, because the mean of its divisors is an integer number (22353511).

Almost surely, 2^44707021 is an apocalyptic number.

It is an amenable number.

44707021 is a deficient number, since it is larger than the sum of its proper divisors (1).

44707021 is an equidigital number, since it uses as much as digits as its factorization.

44707021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 44707021 is about 6686.3309071568. The cubic root of 44707021 is about 354.9157268717.

Adding to 44707021 its reverse (12070744), we get a palindrome (56777765).

The spelling of 44707021 in words is "forty-four million, seven hundred seven thousand, twenty-one".