2732520 has 64 divisors (see below), whose sum is σ = 9371520. Its totient is φ = 624384.

The previous prime is 2732519. The next prime is 2732537. The reversal of 2732520 is 252372.

2732520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 787 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (146430).

2^2732520 is an apocalyptic number.

2732520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2732520 is an abundant number, since it is smaller than the sum of its proper divisors (6639000).

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

2732520 is a wasteful number, since it uses less digits than its factorization.

2732520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274 (or 3270 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2732520 is about 1653.0335749766. The cubic root of 2732520 is about 139.8044889993.

Adding to 2732520 its reverse (252372), we get a palindrome (2984892).

The spelling of 2732520 in words is "two million, seven hundred thirty-two thousand, five hundred twenty".