2732505 has 8 divisors (see below), whose sum is σ = 4372032. Its totient is φ = 1457328.

The previous prime is 2732503. The next prime is 2732507. The reversal of 2732505 is 5052372.

It is an interprime number because it is at equal distance from previous prime (2732503) and next prime (2732507).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2732505 - 2¹ = 2732503 is a prime.

2732505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2732501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91069 + ... + 91098.

It is an arithmetic number, because the mean of its divisors is an integer number (546504).

2^2732505 is an apocalyptic number.

It is an amenable number.

2732505 is a deficient number, since it is larger than the sum of its proper divisors (1639527).

2732505 is a wasteful number, since it uses less digits than its factorization.

2732505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182175.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 2732505 is about 1653.0290378575. The cubic root of 2732505 is about 139.8042331828.

Adding to 2732505 its reverse (5052372), we get a palindrome (7784877).

It can be divided in two parts, 273 and 2505, that multiplied together give a triangular number (683865 = T₁₁₆₉).

The spelling of 2732505 in words is "two million, seven hundred thirty-two thousand, five hundred five".