44740009 has 2 divisors, whose sum is σ = 44740010. Its totient is φ = 44740008.

The previous prime is 44739973. The next prime is 44740043. The reversal of 44740009 is 90004744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42771600 + 1968409 = 6540^2 + 1403^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44740009 is a prime.

It is not a weakly prime, because it can be changed into another prime (44740309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22370004 + 22370005.

It is an arithmetic number, because the mean of its divisors is an integer number (22370005).

Almost surely, 2^44740009 is an apocalyptic number.

It is an amenable number.

44740009 is a deficient number, since it is larger than the sum of its proper divisors (1).

44740009 is an equidigital number, since it uses as much as digits as its factorization.

44740009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 44740009 is about 6688.7972760430. The cubic root of 44740009 is about 355.0029993795.

The spelling of 44740009 in words is "forty-four million, seven hundred forty thousand, nine".