6847420 has 12 divisors (see below), whose sum is σ = 14379624. Its totient is φ = 2738960.

The previous prime is 6847409. The next prime is 6847439. The reversal of 6847420 is 247486.

6847420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 171166 + ... + 171205.

It is an arithmetic number, because the mean of its divisors is an integer number (1198302).

Almost surely, 2^6847420 is an apocalyptic number.

It is an amenable number.

6847420 is an abundant number, since it is smaller than the sum of its proper divisors (7532204).

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

6847420 is a wasteful number, since it uses less digits than its factorization.

6847420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342380 (or 342378 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 6847420 is about 2616.7575355772. The cubic root of 6847420 is about 189.8930145621.

The spelling of 6847420 in words is "six million, eight hundred forty-seven thousand, four hundred twenty".