2732290 has 32 divisors (see below), whose sum is σ = 5469120. Its totient is φ = 974400.

The previous prime is 2732273. The next prime is 2732297. The reversal of 2732290 is 922372.

It is not an unprimeable number, because it can be changed into a prime (2732297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6280 + ... + 6700.

It is an arithmetic number, because the mean of its divisors is an integer number (170910).

2^2732290 is an apocalyptic number.

2732290 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2732290 is a wasteful number, since it uses less digits than its factorization.

2732290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 2732290 is about 1652.9640044478. The cubic root of 2732290 is about 139.8005663767.

The spelling of 2732290 in words is "two million, seven hundred thirty-two thousand, two hundred ninety".