2574720 has 128 divisors (see below), whose sum is σ = 9180000. Its totient is φ = 681984.

The previous prime is 2574703. The next prime is 2574721. The reversal of 2574720 is 274752.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2574721) 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, 17206 + ... + 17354.

2^2574720 is an apocalyptic number.

2574720 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 2574720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4590000).

2574720 is an abundant number, since it is smaller than the sum of its proper divisors (6605280).

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

2574720 is a wasteful number, since it uses less digits than its factorization.

2574720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 2574720 is about 1604.5934064429. The cubic root of 2574720 is about 137.0597711022.

Subtracting from 2574720 its reverse (274752), we obtain a cube (2299968 = 132³).

The spelling of 2574720 in words is "two million, five hundred seventy-four thousand, seven hundred twenty".