7081328 has 20 divisors (see below), whose sum is σ = 13812360. Its totient is φ = 3516864.

The previous prime is 7081279. The next prime is 7081337. The reversal of 7081328 is 8231807.

It is a self number, because there is not a number n which added to its sum of digits gives 7081328.

It is a congruent number.

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, 1103 + ... + 3921.

It is an arithmetic number, because the mean of its divisors is an integer number (690618).

Almost surely, 2^7081328 is an apocalyptic number.

It is an amenable number.

7081328 is a deficient number, since it is larger than the sum of its proper divisors (6731032).

7081328 is a wasteful number, since it uses less digits than its factorization.

7081328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7081328 is about 2661.0764739105. The cubic root of 7081328 is about 192.0311002862.

The spelling of 7081328 in words is "seven million, eighty-one thousand, three hundred twenty-eight".