2002740 has 48 divisors (see below), whose sum is σ = 5806080. Its totient is φ = 515200.

The previous prime is 2002739. The next prime is 2002747. The reversal of 2002740 is 472002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

2^2002740 is an apocalyptic number.

2002740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2002740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2903040).

2002740 is an abundant number, since it is smaller than the sum of its proper divisors (3803340).

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

2002740 is a wasteful number, since it uses less digits than its factorization.

2002740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 2002740 is about 1415.1819670982. The cubic root of 2002740 is about 126.0496151291.

Adding to 2002740 its reverse (472002), we get a palindrome (2474742).

The spelling of 2002740 in words is "two million, two thousand, seven hundred forty".