44742749 has 2 divisors, whose sum is σ = 44742750. Its totient is φ = 44742748.

The previous prime is 44742743. The next prime is 44742769. The reversal of 44742749 is 94724744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 1643524 = 6565^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 44742749 - 2¹² = 44738653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44742743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22371374 + 22371375.

It is an arithmetic number, because the mean of its divisors is an integer number (22371375).

Almost surely, 2^44742749 is an apocalyptic number.

It is an amenable number.

44742749 is a deficient number, since it is larger than the sum of its proper divisors (1).

44742749 is an equidigital number, since it uses as much as digits as its factorization.

44742749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 41.

The square root of 44742749 is about 6689.0020929882. The cubic root of 44742749 is about 355.0102463484.

The spelling of 44742749 in words is "forty-four million, seven hundred forty-two thousand, seven hundred forty-nine".