7028144 has 20 divisors (see below), whose sum is σ = 13711920. Its totient is φ = 3489600.

The previous prime is 7028141. The next prime is 7028167. The reversal of 7028144 is 4418207.

It is not an unprimeable number, because it can be changed into a prime (7028141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (685596).

Almost surely, 2^7028144 is an apocalyptic number.

It is an amenable number.

7028144 is a deficient number, since it is larger than the sum of its proper divisors (6683776).

7028144 is a wasteful number, since it uses less digits than its factorization.

7028144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068 (or 3062 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 7028144 is about 2651.0646917795. The cubic root of 7028144 is about 191.5491446743.

The spelling of 7028144 in words is "seven million, twenty-eight thousand, one hundred forty-four".