44072881 has 2 divisors, whose sum is σ = 44072882. Its totient is φ = 44072880.

The previous prime is 44072867. The next prime is 44072933. The reversal of 44072881 is 18827044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 2030625 = 6484^2 + 1425^2 .

It is a cyclic number.

It is not a de Polignac number, because 44072881 - 2⁵ = 44072849 is a prime.

It is a super-2 number, since 2×44072881² = 3884837679280322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44072851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22036440 + 22036441.

It is an arithmetic number, because the mean of its divisors is an integer number (22036441).

Almost surely, 2^44072881 is an apocalyptic number.

It is an amenable number.

44072881 is a deficient number, since it is larger than the sum of its proper divisors (1).

44072881 is an equidigital number, since it uses as much as digits as its factorization.

44072881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 44072881 is about 6638.7409197829. The cubic root of 44072881 is about 353.2296467049.

The spelling of 44072881 in words is "forty-four million, seventy-two thousand, eight hundred eighty-one".