2572830 has 64 divisors (see below), whose sum is σ = 7398720. Its totient is φ = 632448.

The previous prime is 2572811. The next prime is 2572859. The reversal of 2572830 is 382752.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2572794 and 2572803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3144 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (115605).

2^2572830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2572830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3699360).

2572830 is an abundant number, since it is smaller than the sum of its proper divisors (4825890).

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

2572830 is a wasteful number, since it uses less digits than its factorization.

2572830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2572830 is about 1604.0043640838. The cubic root of 2572830 is about 137.0262261760.

The spelling of 2572830 in words is "two million, five hundred seventy-two thousand, eight hundred thirty".