2724722 has 32 divisors (see below), whose sum is σ = 5491584. Its totient is φ = 979200.

The previous prime is 2724721. The next prime is 2724727. The reversal of 2724722 is 2274272.

It is a happy number.

2724722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 2724691 and 2724700.

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

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, 1322 + ... + 2682.

It is an arithmetic number, because the mean of its divisors is an integer number (171612).

2^2724722 is an apocalyptic number.

2724722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2724722 is an abundant number, since it is smaller than the sum of its proper divisors (2766862).

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

2724722 is a wasteful number, since it uses less digits than its factorization.

2724722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394.

The product of its digits is 3136, while the sum is 26.

The square root of 2724722 is about 1650.6731960022. The cubic root of 2724722 is about 139.6713720584.

Adding to 2724722 its reverse (2274272), we get a palindrome (4998994).

It can be divided in two parts, 272 and 4722, that added together give a palindrome (4994).

The spelling of 2724722 in words is "two million, seven hundred twenty-four thousand, seven hundred twenty-two".