2732490 has 48 divisors (see below), whose sum is σ = 7200648. Its totient is φ = 718848.

The previous prime is 2732489. The next prime is 2732491. The reversal of 2732490 is 942372.

2732490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2732489) and next prime (2732491).

It can be written as a sum of positive squares in 4 ways, for example, as 1212201 + 1520289 = 1101^2 + 1233^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2732491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8574 + ... + 8886.

2^2732490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2732490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600324).

2732490 is an abundant number, since it is smaller than the sum of its proper divisors (4468158).

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

2732490 is a wasteful number, since it uses less digits than its factorization.

2732490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2732490 is about 1653.0245007259. The cubic root of 2732490 is about 139.8039773654.

The spelling of 2732490 in words is "two million, seven hundred thirty-two thousand, four hundred ninety".