4165072 has 10 divisors (see below), whose sum is σ = 8069858. Its totient is φ = 2082528.

The previous prime is 4165061. The next prime is 4165079. The reversal of 4165072 is 2705614.

It can be written as a sum of positive squares in only one way, i.e., 2637376 + 1527696 = 1624^2 + 1236^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4165079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130143 + ... + 130174.

Almost surely, 2^4165072 is an apocalyptic number.

It is an amenable number.

4165072 is a deficient number, since it is larger than the sum of its proper divisors (3904786).

4165072 is a wasteful number, since it uses less digits than its factorization.

4165072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260325 (or 260319 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 4165072 is about 2040.8508029741. The cubic root of 4165072 is about 160.8943663650.

The spelling of 4165072 in words is "four million, one hundred sixty-five thousand, seventy-two".