7028880 has 40 divisors (see below), whose sum is σ = 21790272. Its totient is φ = 1874304.

The previous prime is 7028873. The next prime is 7028881. The reversal of 7028880 is 888207.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (7028881) 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, 14404 + ... + 14883.

Almost surely, 2^7028880 is an apocalyptic number.

It is an amenable number.

7028880 is an abundant number, since it is smaller than the sum of its proper divisors (14761392).

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

7028880 is a wasteful number, since it uses less digits than its factorization.

7028880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29303 (or 29297 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 7028880 is about 2651.2035002994. The cubic root of 7028880 is about 191.5558308990. Note that the first 3 decimals are identical.

The spelling of 7028880 in words is "seven million, twenty-eight thousand, eight hundred eighty".