7006728 has 32 divisors (see below), whose sum is σ = 17652960. Its totient is φ = 2317440.

The previous prime is 7006723. The next prime is 7006729. The reversal of 7006728 is 8276007.

It is a junction number, because it is equal to n+sod(n) for n = 7006695 and 7006704.

It is not an unprimeable number, because it can be changed into a prime (7006723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2223 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (551655).

Almost surely, 2^7006728 is an apocalyptic number.

It is an amenable number.

7006728 is an abundant number, since it is smaller than the sum of its proper divisors (10646232).

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

7006728 is a wasteful number, since it uses less digits than its factorization.

7006728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 7006728 is about 2647.0224781819. The cubic root of 7006728 is about 191.3543853241.

The spelling of 7006728 in words is "seven million, six thousand, seven hundred twenty-eight".