2072840 has 64 divisors (see below), whose sum is σ = 5823360. Its totient is φ = 645120.

The previous prime is 2072839. The next prime is 2072869. The reversal of 2072840 is 482702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (90990).

2^2072840 is an apocalyptic number.

2072840 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 2072840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2911680).

2072840 is an abundant number, since it is smaller than the sum of its proper divisors (3750520).

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

2072840 is a wasteful number, since it uses less digits than its factorization.

2072840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 2072840 is about 1439.7360869270. The cubic root of 2072840 is about 127.5034472988.

The spelling of 2072840 in words is "two million, seventy-two thousand, eight hundred forty".