6947680 has 48 divisors (see below), whose sum is σ = 16574544. Its totient is φ = 2752000.

The previous prime is 6947669. The next prime is 6947693. The reversal of 6947680 is 867496.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27555 + ... + 27805.

It is an arithmetic number, because the mean of its divisors is an integer number (345303).

Almost surely, 2^6947680 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 6947680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8287272).

6947680 is an abundant number, since it is smaller than the sum of its proper divisors (9626864).

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

6947680 is a wasteful number, since it uses less digits than its factorization.

6947680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6947680 is about 2635.8452154859. The cubic root of 6947680 is about 190.8153327838.

The spelling of 6947680 in words is "six million, nine hundred forty-seven thousand, six hundred eighty".