6981740 has 36 divisors (see below), whose sum is σ = 15489936. Its totient is φ = 2642976.

The previous prime is 6981739. The next prime is 6981749. The reversal of 6981740 is 471896.

It is a self number, because there is not a number n which added to its sum of digits gives 6981740.

It is not an unprimeable number, because it can be changed into a prime (6981749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6737 + ... + 7703.

It is an arithmetic number, because the mean of its divisors is an integer number (430276).

Almost surely, 2^6981740 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 6981740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7744968).

6981740 is an abundant number, since it is smaller than the sum of its proper divisors (8508196).

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

6981740 is a wasteful number, since it uses less digits than its factorization.

6981740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 6981740 is about 2642.2982420613. The cubic root of 6981740 is about 191.1266395150.

The spelling of 6981740 in words is "six million, nine hundred eighty-one thousand, seven hundred forty".