6947940 has 48 divisors (see below), whose sum is σ = 19914048. Its totient is φ = 1809024.

The previous prime is 6947923. The next prime is 6947947. The reversal of 6947940 is 497496.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6947947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234 + ... + 3926.

It is an arithmetic number, because the mean of its divisors is an integer number (414876).

Almost surely, 2^6947940 is an apocalyptic number.

6947940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6947940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9957024).

6947940 is an abundant number, since it is smaller than the sum of its proper divisors (12966108).

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

6947940 is a wasteful number, since it uses less digits than its factorization.

6947940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6947940 is about 2635.8945350677. The cubic root of 6947940 is about 190.8177130205.

It can be divided in two parts, 6947 and 940, that added together give a palindrome (7887).

The spelling of 6947940 in words is "six million, nine hundred forty-seven thousand, nine hundred forty".