4445729 has 8 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 4238416.

The previous prime is 4445723. The next prime is 4445737. The reversal of 4445729 is 9275444.

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 4445729 - 2¹⁶ = 4380193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4445723) 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, 1484 + ... + 3330.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^4445729 is an apocalyptic number.

It is an amenable number.

4445729 is a deficient number, since it is larger than the sum of its proper divisors (211231).

4445729 is a wasteful number, since it uses less digits than its factorization.

4445729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 40320, while the sum is 35.

The square root of 4445729 is about 2108.4897438688. The cubic root of 4445729 is about 164.4299766950.

The spelling of 4445729 in words is "four million, four hundred forty-five thousand, seven hundred twenty-nine".