2073240 has 96 divisors (see below), whose sum is σ = 7272720. Its totient is φ = 509184.

The previous prime is 2073233. The next prime is 2073241. The reversal of 2073240 is 423702.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2073241) 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 23 ways as a sum of consecutive naturals, for example, 4459 + ... + 4901.

2^2073240 is an apocalyptic number.

2073240 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 2073240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3636360).

2073240 is an abundant number, since it is smaller than the sum of its proper divisors (5199480).

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

2073240 is a wasteful number, since it uses less digits than its factorization.

2073240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2073240 is about 1439.8749945742. The cubic root of 2073240 is about 127.5116483014.

Adding to 2073240 its reverse (423702), we get a palindrome (2496942).

The spelling of 2073240 in words is "two million, seventy-three thousand, two hundred forty".