44505729 has 6 divisors (see below), whose sum is σ = 64286066. Its totient is φ = 29670480.

The previous prime is 44505719. The next prime is 44505737. The reversal of 44505729 is 92750544.

It can be written as a sum of positive squares in only one way, i.e., 38155329 + 6350400 = 6177^2 + 2520^2 .

It is not a de Polignac number, because 44505729 - 2⁵ = 44505697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44505693 and 44505702.

It is not an unprimeable number, because it can be changed into a prime (44505719) 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 5 ways as a sum of consecutive naturals, for example, 2472532 + ... + 2472549.

Almost surely, 2^44505729 is an apocalyptic number.

It is an amenable number.

44505729 is a deficient number, since it is larger than the sum of its proper divisors (19780337).

44505729 is a wasteful number, since it uses less digits than its factorization.

44505729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945087 (or 4945084 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 44505729 is about 6671.2614249481. The cubic root of 44505729 is about 354.3822596798.

The spelling of 44505729 in words is "forty-four million, five hundred five thousand, seven hundred twenty-nine".