2524720 has 80 divisors (see below), whose sum is σ = 6785280. Its totient is φ = 864000.

The previous prime is 2524693. The next prime is 2524723. The reversal of 2524720 is 274252.

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

It is a super-2 number, since 2×2524720² = 12748422156800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2524691 and 2524700.

It is not an unprimeable number, because it can be changed into a prime (2524723) 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, 16645 + ... + 16795.

It is an arithmetic number, because the mean of its divisors is an integer number (84816).

2^2524720 is an apocalyptic number.

2524720 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 2524720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3392640).

2524720 is an abundant number, since it is smaller than the sum of its proper divisors (4260560).

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

2524720 is a wasteful number, since it uses less digits than its factorization.

2524720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2524720 is about 1588.9367514159. The cubic root of 2524720 is about 136.1667504799.

Adding to 2524720 its reverse (274252), we get a palindrome (2798972).

The spelling of 2524720 in words is "two million, five hundred twenty-four thousand, seven hundred twenty".