4445749 has 8 divisors (see below), whose sum is σ = 5542848. Its totient is φ = 3464160.

The previous prime is 4445737. The next prime is 4445767. The reversal of 4445749 is 9475444.

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 4445749 - 2⁷ = 4445621 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 (4445719) 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, 28792 + ... + 28945.

It is an arithmetic number, because the mean of its divisors is an integer number (692856).

Almost surely, 2^4445749 is an apocalyptic number.

It is an amenable number.

4445749 is a deficient number, since it is larger than the sum of its proper divisors (1097099).

4445749 is a wasteful number, since it uses less digits than its factorization.

4445749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57755.

The product of its digits is 80640, while the sum is 37.

The square root of 4445749 is about 2108.4944865946. The cubic root of 4445749 is about 164.4302232683.

The spelling of 4445749 in words is "four million, four hundred forty-five thousand, seven hundred forty-nine".