4001073 has 4 divisors (see below), whose sum is σ = 5334768. Its totient is φ = 2667380.

The previous prime is 4001071. The next prime is 4001089. The reversal of 4001073 is 3701004.

4001073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4001073 - 2¹ = 4001071 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4001071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666843 + ... + 666848.

It is an arithmetic number, because the mean of its divisors is an integer number (1333692).

Almost surely, 2^4001073 is an apocalyptic number.

It is an amenable number.

4001073 is a deficient number, since it is larger than the sum of its proper divisors (1333695).

4001073 is a wasteful number, since it uses less digits than its factorization.

4001073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333694.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 4001073 is about 2000.2682320129. The cubic root of 4001073 is about 158.7542979389.

Adding to 4001073 its reverse (3701004), we get a palindrome (7702077).

The spelling of 4001073 in words is "four million, one thousand, seventy-three".