6897740 has 12 divisors (see below), whose sum is σ = 14485296. Its totient is φ = 2759088.

The previous prime is 6897739. The next prime is 6897743. The reversal of 6897740 is 477986.

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 not an unprimeable number, because it can be changed into a prime (6897743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172424 + ... + 172463.

It is an arithmetic number, because the mean of its divisors is an integer number (1207108).

Almost surely, 2^6897740 is an apocalyptic number.

It is an amenable number.

6897740 is an abundant number, since it is smaller than the sum of its proper divisors (7587556).

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

6897740 is a wasteful number, since it uses less digits than its factorization.

6897740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344896 (or 344894 counting only the distinct ones).

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

The square root of 6897740 is about 2626.3548884338. The cubic root of 6897740 is about 190.3570387147.

The spelling of 6897740 in words is "six million, eight hundred ninety-seven thousand, seven hundred forty".