44742009 has 8 divisors (see below), whose sum is σ = 64244992. Its totient is φ = 27533520.

The previous prime is 44741987. The next prime is 44742023. The reversal of 44742009 is 90024744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44742009 - 2⁹ = 44741497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44742109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573577 + ... + 573654.

It is an arithmetic number, because the mean of its divisors is an integer number (8030624).

Almost surely, 2^44742009 is an apocalyptic number.

It is an amenable number.

44742009 is a deficient number, since it is larger than the sum of its proper divisors (19502983).

44742009 is a wasteful number, since it uses less digits than its factorization.

44742009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147247.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 44742009 is about 6688.9467780810. The cubic root of 44742009 is about 355.0082891670.

The spelling of 44742009 in words is "forty-four million, seven hundred forty-two thousand, nine".