44729561 has 2 divisors, whose sum is σ = 44729562. Its totient is φ = 44729560.

The previous prime is 44729539. The next prime is 44729603. The reversal of 44729561 is 16592744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30591961 + 14137600 = 5531^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 44729561 - 2¹⁴ = 44713177 is a prime.

It is not a weakly prime, because it can be changed into another prime (44729521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22364780 + 22364781.

It is an arithmetic number, because the mean of its divisors is an integer number (22364781).

Almost surely, 2^44729561 is an apocalyptic number.

It is an amenable number.

44729561 is a deficient number, since it is larger than the sum of its proper divisors (1).

44729561 is an equidigital number, since it uses as much as digits as its factorization.

44729561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 44729561 is about 6688.0162230664. The cubic root of 44729561 is about 354.9753629665.

The spelling of 44729561 in words is "forty-four million, seven hundred twenty-nine thousand, five hundred sixty-one".