44725643 has 8 divisors (see below), whose sum is σ = 45405360. Its totient is φ = 44051040.

The previous prime is 44725609. The next prime is 44725661. The reversal of 44725643 is 34652744.

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

It is a cyclic number.

It is not a de Polignac number, because 44725643 - 2⁶ = 44725579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44725673) 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, 18596 + ... + 20862.

It is an arithmetic number, because the mean of its divisors is an integer number (5675670).

Almost surely, 2^44725643 is an apocalyptic number.

44725643 is a deficient number, since it is larger than the sum of its proper divisors (679717).

44725643 is a wasteful number, since it uses less digits than its factorization.

44725643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557.

The product of its digits is 80640, while the sum is 35.

The square root of 44725643 is about 6687.7233046830. The cubic root of 44725643 is about 354.9649982022.

The spelling of 44725643 in words is "forty-four million, seven hundred twenty-five thousand, six hundred forty-three".