2745180 has 72 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 720000.

The previous prime is 2745179. The next prime is 2745209. The reversal of 2745180 is 815472.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18105 + ... + 18255.

It is an arithmetic number, because the mean of its divisors is an integer number (117572).

2^2745180 is an apocalyptic number.

2745180 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 2745180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4232592).

2745180 is an abundant number, since it is smaller than the sum of its proper divisors (5720004).

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

2745180 is a wasteful number, since it uses less digits than its factorization.

2745180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2745180 is about 1656.8584731352. The cubic root of 2745180 is about 140.0200651513.

The spelling of 2745180 in words is "two million, seven hundred forty-five thousand, one hundred eighty".