2724500 has 24 divisors (see below), whose sum is σ = 5951400. Its totient is φ = 1089600.

The previous prime is 2724499. The next prime is 2724503. The reversal of 2724500 is 54272.

It can be written as a sum of positive squares in 4 ways, for example, as 498436 + 2226064 = 706^2 + 1492^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724503) 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, 2225 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (247975).

2^2724500 is an apocalyptic number.

2724500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2724500 is an abundant number, since it is smaller than the sum of its proper divisors (3226900).

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

2724500 is a wasteful number, since it uses less digits than its factorization.

2724500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468 (or 5456 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2724500 is about 1650.6059493410. The cubic root of 2724500 is about 139.6675786577.

Adding to 2724500 its reverse (54272), we get a palindrome (2778772).

The spelling of 2724500 in words is "two million, seven hundred twenty-four thousand, five hundred".