44739 has 8 divisors (see below), whose sum is σ = 66320. Its totient is φ = 29808.

The previous prime is 44729. The next prime is 44741. The reversal of 44739 is 93744.

It is not a de Polignac number, because 44739 - 2⁸ = 44483 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1657 = 44739 / (4 + 4 + 7 + 3 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44729) 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, 802 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (8290).

2⁴⁴⁷³⁹ is an apocalyptic number.

44739 is a deficient number, since it is larger than the sum of its proper divisors (21581).

44739 is a wasteful number, since it uses less digits than its factorization.

44739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1660 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 44739 is about 211.5159568449. The cubic root of 44739 is about 35.5000330622.

The spelling of 44739 in words is "forty-four thousand, seven hundred thirty-nine".