2724725 has 12 divisors (see below), whose sum is σ = 3427236. Its totient is φ = 2148480.

The previous prime is 2724721. The next prime is 2724727. The reversal of 2724725 is 5274272.

It can be written as a sum of positive squares in 6 ways, for example, as 28561 + 2696164 = 169^2 + 1642^2 .

It is not a de Polignac number, because 2724725 - 2² = 2724721 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2724721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1079 + ... + 2571.

It is an arithmetic number, because the mean of its divisors is an integer number (285603).

2^2724725 is an apocalyptic number.

2724725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2724725 is a deficient number, since it is larger than the sum of its proper divisors (702511).

2724725 is a wasteful number, since it uses less digits than its factorization.

2724725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1571 counting only the distinct ones).

The product of its digits is 7840, while the sum is 29.

The square root of 2724725 is about 1650.6741047221. The cubic root of 2724725 is about 139.6714233192.

Adding to 2724725 its reverse (5274272), we get a palindrome (7998997).

It can be divided in two parts, 27247 and 25, that added together give a palindrome (27272).

The spelling of 2724725 in words is "two million, seven hundred twenty-four thousand, seven hundred twenty-five".