44728405 has 8 divisors (see below), whose sum is σ = 53709984. Its totient is φ = 35758800.

The previous prime is 44728391. The next prime is 44728421. The reversal of 44728405 is 50482744.

It is a happy number.

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

It is not a de Polignac number, because 44728405 - 2⁵ = 44728373 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13350 + ... + 16360.

It is an arithmetic number, because the mean of its divisors is an integer number (6713748).

Almost surely, 2^44728405 is an apocalyptic number.

It is an amenable number.

44728405 is a deficient number, since it is larger than the sum of its proper divisors (8981579).

44728405 is a wasteful number, since it uses less digits than its factorization.

44728405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 44728405 is about 6687.9297992727. The cubic root of 44728405 is about 354.9723049214.

The spelling of 44728405 in words is "forty-four million, seven hundred twenty-eight thousand, four hundred five".