6947028 has 72 divisors (see below), whose sum is σ = 19577376. Its totient is φ = 2059200.

The previous prime is 6947021. The next prime is 6947051. The reversal of 6947028 is 8207496.

It is a super-2 number, since 2×6947028² = 96522396065568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6946983 and 6947001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6947021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20823 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (271908).

Almost surely, 2^6947028 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 6947028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9788688).

6947028 is an abundant number, since it is smaller than the sum of its proper divisors (12630348).

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

6947028 is a wasteful number, since it uses less digits than its factorization.

6947028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6947028 is about 2635.7215330911. The cubic root of 6947028 is about 190.8093636215.

The spelling of 6947028 in words is "six million, nine hundred forty-seven thousand, twenty-eight".