6987740 has 12 divisors (see below), whose sum is σ = 14674296. Its totient is φ = 2795088.

The previous prime is 6987737. The next prime is 6987751. The reversal of 6987740 is 477896.

6987740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174674 + ... + 174713.

It is an arithmetic number, because the mean of its divisors is an integer number (1222858).

Almost surely, 2^6987740 is an apocalyptic number.

It is an amenable number.

6987740 is an abundant number, since it is smaller than the sum of its proper divisors (7686556).

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

6987740 is a wasteful number, since it uses less digits than its factorization.

6987740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349396 (or 349394 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6987740 is about 2643.4333734747. The cubic root of 6987740 is about 191.1813742703.

The spelling of 6987740 in words is "six million, nine hundred eighty-seven thousand, seven hundred forty".