2572140 has 48 divisors (see below), whose sum is σ = 7273728. Its totient is φ = 679104.

The previous prime is 2572139. The next prime is 2572153. The reversal of 2572140 is 412752.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9649 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (151536).

2^2572140 is an apocalyptic number.

2572140 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 2572140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3636864).

2572140 is an abundant number, since it is smaller than the sum of its proper divisors (4701588).

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

2572140 is a wasteful number, since it uses less digits than its factorization.

2572140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2572140 is about 1603.7892629644. The cubic root of 2572140 is about 137.0139755221.

Adding to 2572140 its reverse (412752), we get a palindrome (2984892).

The spelling of 2572140 in words is "two million, five hundred seventy-two thousand, one hundred forty".