2573040 has 80 divisors (see below), whose sum is σ = 8142336. Its totient is φ = 672000.

The previous prime is 2573023. The next prime is 2573047. The reversal of 2573040 is 403752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 2572998 and 2573016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573047) 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, 16965 + ... + 17115.

2^2573040 is an apocalyptic number.

2573040 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 2573040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4071168).

2573040 is an abundant number, since it is smaller than the sum of its proper divisors (5569296).

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

2573040 is a wasteful number, since it uses less digits than its factorization.

2573040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2573040 is about 1604.0698239167. The cubic root of 2573040 is about 137.0299542011.

Adding to 2573040 its reverse (403752), we get a palindrome (2976792).

The spelling of 2573040 in words is "two million, five hundred seventy-three thousand, forty".