2724706 has 4 divisors (see below), whose sum is σ = 4087062. Its totient is φ = 1362352.

The previous prime is 2724703. The next prime is 2724719. The reversal of 2724706 is 6074272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 549081 = 1475^2 + 741^2 .

It is not an unprimeable number, because it can be changed into a prime (2724703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681175 + ... + 681178.

2^2724706 is an apocalyptic number.

2724706 is a deficient number, since it is larger than the sum of its proper divisors (1362356).

2724706 is a wasteful number, since it uses less digits than its factorization.

2724706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362355.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2724706 is about 1650.6683494876. The cubic root of 2724706 is about 139.6710986671.

Adding to 2724706 its reverse (6074272), we get a palindrome (8798978).

The spelling of 2724706 in words is "two million, seven hundred twenty-four thousand, seven hundred six".