44428747 has 16 divisors (see below), whose sum is σ = 49593600. Its totient is φ = 39463200.

The previous prime is 44428739. The next prime is 44428751. The reversal of 44428747 is 74782444.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44428747 - 2³ = 44428739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44428717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127129 + ... + 127477.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 2^44428747 is an apocalyptic number.

44428747 is a deficient number, since it is larger than the sum of its proper divisors (5164853).

44428747 is a wasteful number, since it uses less digits than its factorization.

44428747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its digits is 200704, while the sum is 40.

The square root of 44428747 is about 6665.4892543609. The cubic root of 44428747 is about 354.1778155906.

The spelling of 44428747 in words is "forty-four million, four hundred twenty-eight thousand, seven hundred forty-seven".