2732730 has 144 divisors (see below), whose sum is σ = 9012384. Its totient is φ = 524160.

The previous prime is 2732701. The next prime is 2732749. The reversal of 2732730 is 372372.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2732730.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 210204 + ... + 210216.

It is an arithmetic number, because the mean of its divisors is an integer number (62586).

2^2732730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2732730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4506192).

2732730 is an abundant number, since it is smaller than the sum of its proper divisors (6279654).

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

2732730 is a wasteful number, since it uses less digits than its factorization.

2732730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 2732730 is about 1653.0970933372. The cubic root of 2732730 is about 139.8080703322.

It can be divided in two parts, 273 and 2730, that added together give a palindrome (3003).

The spelling of 2732730 in words is "two million, seven hundred thirty-two thousand, seven hundred thirty".