2670728 has 16 divisors (see below), whose sum is σ = 5114880. Its totient is φ = 1306768.

The previous prime is 2670721. The next prime is 2670739. The reversal of 2670728 is 8270762.

It is a junction number, because it is equal to n+sod(n) for n = 2670694 and 2670703.

It is not an unprimeable number, because it can be changed into a prime (2670721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176 + ... + 3927.

It is an arithmetic number, because the mean of its divisors is an integer number (319680).

2^2670728 is an apocalyptic number.

It is an amenable number.

2670728 is a deficient number, since it is larger than the sum of its proper divisors (2444152).

2670728 is a wasteful number, since it uses less digits than its factorization.

2670728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156 (or 7152 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2670728 is about 1634.2362130365. The cubic root of 2670728 is about 138.7426184424.

The spelling of 2670728 in words is "two million, six hundred seventy thousand, seven hundred twenty-eight".