7028736 has 120 divisors (see below), whose sum is σ = 22019424. Its totient is φ = 1966080.

The previous prime is 7028719. The next prime is 7028741. The reversal of 7028736 is 6378207.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 7028697 and 7028706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540666 + ... + 540678.

Almost surely, 2^7028736 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 7028736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11009712).

7028736 is an abundant number, since it is smaller than the sum of its proper divisors (14990688).

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

7028736 is a wasteful number, since it uses less digits than its factorization.

7028736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 7028736 is about 2651.1763426826. The cubic root of 7028736 is about 191.5545227613.

The spelling of 7028736 in words is "seven million, twenty-eight thousand, seven hundred thirty-six".