2572620 has 48 divisors (see below), whose sum is σ = 7348320. Its totient is φ = 672256.

The previous prime is 2572613. The next prime is 2572621. The reversal of 2572620 is 262752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2572621) 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, 2776 + ... + 3584.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

2^2572620 is an apocalyptic number.

2572620 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 2572620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674160).

2572620 is an abundant number, since it is smaller than the sum of its proper divisors (4775700).

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

2572620 is a wasteful number, since it uses less digits than its factorization.

2572620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2572620 is about 1603.9389015795. The cubic root of 2572620 is about 137.0224979480.

The spelling of 2572620 in words is "two million, five hundred seventy-two thousand, six hundred twenty".