2723724 has 18 divisors (see below), whose sum is σ = 6885060. Its totient is φ = 907896.

The previous prime is 2723719. The next prime is 2723731. The reversal of 2723724 is 4273272.

2723724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam 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 5 ways as a sum of consecutive naturals, for example, 37794 + ... + 37865.

2^2723724 is an apocalyptic number.

It is an amenable number.

2723724 is an abundant number, since it is smaller than the sum of its proper divisors (4161336).

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

2723724 is a wasteful number, since it uses less digits than its factorization.

2723724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75669 (or 75664 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 2723724 is about 1650.3708674113. The cubic root of 2723724 is about 139.6543172235.

Adding to 2723724 its reverse (4273272), we get a palindrome (6996996).

It can be divided in two parts, 27237 and 24, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 2723724 in words is "two million, seven hundred twenty-three thousand, seven hundred twenty-four".