44739749 has 2 divisors, whose sum is σ = 44739750. Its totient is φ = 44739748.

The previous prime is 44739743. The next prime is 44739763. The reversal of 44739749 is 94793744.

44739749 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., 38663524 + 6076225 = 6218^2 + 2465^2 .

It is a cyclic number.

It is not a de Polignac number, because 44739749 - 2¹⁶ = 44674213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44739743) 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, 22369874 + 22369875.

It is an arithmetic number, because the mean of its divisors is an integer number (22369875).

Almost surely, 2^44739749 is an apocalyptic number.

It is an amenable number.

44739749 is a deficient number, since it is larger than the sum of its proper divisors (1).

44739749 is an equidigital number, since it uses as much as digits as its factorization.

44739749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 44739749 is about 6688.7778405326. Note that the first 3 decimals coincide. The cubic root of 44739749 is about 355.0023116956.

The spelling of 44739749 in words is "forty-four million, seven hundred thirty-nine thousand, seven hundred forty-nine".