2003072 has 16 divisors (see below), whose sum is σ = 3990750. Its totient is φ = 1001472.

The previous prime is 2003051. The next prime is 2003081. The reversal of 2003072 is 2703002.

It can be written as a sum of positive squares in only one way, i.e., 1915456 + 87616 = 1384^2 + 296^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7697 + ... + 7952.

2^2003072 is an apocalyptic number.

It is an amenable number.

2003072 is a deficient number, since it is larger than the sum of its proper divisors (1987678).

2003072 is an equidigital number, since it uses as much as digits as its factorization.

2003072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663 (or 15651 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 2003072 is about 1415.2992616404. The cubic root of 2003072 is about 126.0565799473.

Adding to 2003072 its reverse (2703002), we get a palindrome (4706074).

It can be divided in two parts, 20030 and 72, that added together give a palindrome (20102).

The spelling of 2003072 in words is "two million, three thousand, seventy-two".