7028028 has 54 divisors (see below), whose sum is σ = 20425496. Its totient is φ = 1995984.

The previous prime is 7028027. The next prime is 7028029. The reversal of 7028028 is 8208207.

It is an interprime number because it is at equal distance from previous prime (7028027) and next prime (7028029).

It is a junction number, because it is equal to n+sod(n) for n = 7027992 and 7028010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7028027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42001 + ... + 42167.

Almost surely, 2^7028028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7028028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10212748).

7028028 is an abundant number, since it is smaller than the sum of its proper divisors (13397468).

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

7028028 is a wasteful number, since it uses less digits than its factorization.

7028028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 7028028 is about 2651.0428136867. The cubic root of 7028028 is about 191.5480908246.

Multiplying 7028028 by its product of nonzero digits (1792), we get a square (12594226176 = 112224²).

The spelling of 7028028 in words is "seven million, twenty-eight thousand, twenty-eight".