44568729 has 6 divisors (see below), whose sum is σ = 64377066. Its totient is φ = 29712480.

The previous prime is 44568709. The next prime is 44568749. The reversal of 44568729 is 92786544.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (44568709) and next prime (44568749).

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 5631129 = 6240^2 + 2373^2 .

It is not a de Polignac number, because 44568729 - 2¹¹ = 44566681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44568709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2476032 + ... + 2476049.

It is an arithmetic number, because the mean of its divisors is an integer number (10729511).

Almost surely, 2^44568729 is an apocalyptic number.

It is an amenable number.

44568729 is a deficient number, since it is larger than the sum of its proper divisors (19808337).

44568729 is a wasteful number, since it uses less digits than its factorization.

44568729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4952087 (or 4952084 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 44568729 is about 6675.9815008731. The cubic root of 44568729 is about 354.5493958859.

The spelling of 44568729 in words is "forty-four million, five hundred sixty-eight thousand, seven hundred twenty-nine".