2722736 has 20 divisors (see below), whose sum is σ = 5301000. Its totient is φ = 1354752.

The previous prime is 2722729. The next prime is 2722751. The reversal of 2722736 is 6372272.

It is a junction number, because it is equal to n+sod(n) for n = 2722699 and 2722708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5840 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (265050).

2^2722736 is an apocalyptic number.

It is an amenable number.

2722736 is a deficient number, since it is larger than the sum of its proper divisors (2578264).

2722736 is a wasteful number, since it uses less digits than its factorization.

2722736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 830 counting only the distinct ones).

The product of its digits is 7056, while the sum is 29.

The square root of 2722736 is about 1650.0715136018. The cubic root of 2722736 is about 139.6374291746.

The spelling of 2722736 in words is "two million, seven hundred twenty-two thousand, seven hundred thirty-six".