44242729 has 2 divisors, whose sum is σ = 44242730. Its totient is φ = 44242728.

The previous prime is 44242669. The next prime is 44242733. The reversal of 44242729 is 92724244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26163225 + 18079504 = 5115^2 + 4252^2 .

It is a cyclic number.

It is not a de Polignac number, because 44242729 - 2¹³ = 44234537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44242694 and 44242703.

It is not a weakly prime, because it can be changed into another prime (44242769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22121364 + 22121365.

It is an arithmetic number, because the mean of its divisors is an integer number (22121365).

Almost surely, 2^44242729 is an apocalyptic number.

It is an amenable number.

44242729 is a deficient number, since it is larger than the sum of its proper divisors (1).

44242729 is an equidigital number, since it uses as much as digits as its factorization.

44242729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 34.

The square root of 44242729 is about 6651.5208035456. The cubic root of 44242729 is about 353.6828236720.

The spelling of 44242729 in words is "forty-four million, two hundred forty-two thousand, seven hundred twenty-nine".