2575720 has 32 divisors (see below), whose sum is σ = 6624000. Its totient is φ = 883008.

The previous prime is 2575717. The next prime is 2575723. The reversal of 2575720 is 275752.

2575720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2575717) and next prime (2575723).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2575723) 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 7 ways as a sum of consecutive naturals, for example, 4320 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (207000).

2^2575720 is an apocalyptic number.

2575720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575720 is an abundant number, since it is smaller than the sum of its proper divisors (4048280).

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

2575720 is a wasteful number, since it uses less digits than its factorization.

2575720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9217 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 2575720 is about 1604.9049816111. The cubic root of 2575720 is about 137.0775131002.

Subtracting from 2575720 its reverse (275752), we obtain a cube (2299968 = 132³).

The spelling of 2575720 in words is "two million, five hundred seventy-five thousand, seven hundred twenty".