2002756 has 12 divisors (see below), whose sum is σ = 4005568. Its totient is φ = 858312.

The previous prime is 2002747. The next prime is 2002783. The reversal of 2002756 is 6572002.

2002756 is an admirable number.

It is a super-2 number, since 2×2002756² = 8022063191072, which contains 22 as substring.

It is an unprimeable number.

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, 35736 + ... + 35791.

2^2002756 is an apocalyptic number.

It is an amenable number.

2002756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2002756 is a wasteful number, since it uses less digits than its factorization.

2002756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71538 (or 71536 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2002756 is about 1415.1876200702. The cubic root of 2002756 is about 126.0499508007.

Adding to 2002756 its reverse (6572002), we get a palindrome (8574758).

The spelling of 2002756 in words is "two million, two thousand, seven hundred fifty-six".