2502720 has 168 divisors, whose sum is σ = 9509760. Its totient is φ = 599040.

The previous prime is 2502719. The next prime is 2502733. The reversal of 2502720 is 272052.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2502693 and 2502702.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31641 + ... + 31719.

2^2502720 is an apocalyptic number.

2502720 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 2502720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4754880).

2502720 is an abundant number, since it is smaller than the sum of its proper divisors (7007040).

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

2502720 is a wasteful number, since it uses less digits than its factorization.

2502720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2502720 is about 1581.9987357770. The cubic root of 2502720 is about 135.7700844290.

Adding to 2502720 its reverse (272052), we get a palindrome (2774772).

The spelling of 2502720 in words is "two million, five hundred two thousand, seven hundred twenty".