44872769 has 2 divisors, whose sum is σ = 44872770. Its totient is φ = 44872768.

The previous prime is 44872753. The next prime is 44872777. The reversal of 44872769 is 96727844.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 2362369 = 6520^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 44872769 - 2⁴ = 44872753 is a prime.

It is a super-2 number, since 2×44872769² = 4027130795454722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44872739) 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 as a sum of consecutive naturals, namely, 22436384 + 22436385.

It is an arithmetic number, because the mean of its divisors is an integer number (22436385).

Almost surely, 2^44872769 is an apocalyptic number.

It is an amenable number.

44872769 is a deficient number, since it is larger than the sum of its proper divisors (1).

44872769 is an equidigital number, since it uses as much as digits as its factorization.

44872769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 47.

The square root of 44872769 is about 6698.7139810564. The cubic root of 44872769 is about 355.3537939549.

The spelling of 44872769 in words is "forty-four million, eight hundred seventy-two thousand, seven hundred sixty-nine".