4065744 has 40 divisors (see below), whose sum is σ = 10660032. Its totient is φ = 1335040.

The previous prime is 4065731. The next prime is 4065751. The reversal of 4065744 is 4475604.

It is an Ulam number.

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, 2812 + ... + 4004.

Almost surely, 2^4065744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4065744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5330016).

4065744 is an abundant number, since it is smaller than the sum of its proper divisors (6594288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4065744 is a wasteful number, since it uses less digits than its factorization.

4065744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 4065744 is about 2016.3690138464. The cubic root of 4065744 is about 159.6050676465.

The spelling of 4065744 in words is "four million, sixty-five thousand, seven hundred forty-four".