4065749 has 8 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 3959776.

The previous prime is 4065731. The next prime is 4065751. The reversal of 4065749 is 9475604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4062749) 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, 7832 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (521640).

Almost surely, 2^4065749 is an apocalyptic number.

It is an amenable number.

4065749 is a deficient number, since it is larger than the sum of its proper divisors (107371).

4065749 is a wasteful number, since it uses less digits than its factorization.

4065749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 4065749 is about 2016.3702536985. The cubic root of 4065749 is about 159.6051330732.

The spelling of 4065749 in words is "four million, sixty-five thousand, seven hundred forty-nine".