44425687 has 4 divisors (see below), whose sum is σ = 44451280. Its totient is φ = 44400096.

The previous prime is 44425679. The next prime is 44425721. The reversal of 44425687 is 78652444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44425687 - 2³ = 44425679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44425657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9987 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (11112820).

Almost surely, 2^44425687 is an apocalyptic number.

44425687 is a deficient number, since it is larger than the sum of its proper divisors (25593).

44425687 is a wasteful number, since it uses less digits than its factorization.

44425687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25592.

The product of its digits is 215040, while the sum is 40.

The square root of 44425687 is about 6665.2597098688. The cubic root of 44425687 is about 354.1696841511.

The spelling of 44425687 in words is "forty-four million, four hundred twenty-five thousand, six hundred eighty-seven".