2445570 has 48 divisors (see below), whose sum is σ = 6584760. Its totient is φ = 628992.

The previous prime is 2445557. The next prime is 2445571. The reversal of 2445570 is 755442.

It can be written as a sum of positive squares in 4 ways, for example, as 1361889 + 1083681 = 1167^2 + 1041^2 .

It is not an unprimeable number, because it can be changed into a prime (2445571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2142 + ... + 3078.

2^2445570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3292380).

2445570 is an abundant number, since it is smaller than the sum of its proper divisors (4139190).

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

2445570 is a wasteful number, since it uses less digits than its factorization.

2445570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2445570 is about 1563.8318323912. The cubic root of 2445570 is about 134.7286731519.

The spelling of 2445570 in words is "two million, four hundred forty-five thousand, five hundred seventy".