6840774 has 20 divisors (see below), whose sum is σ = 15328764. Its totient is φ = 2280204.

The previous prime is 6840761. The next prime is 6840793. The reversal of 6840774 is 4770486.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20952 + ... + 21275.

Almost surely, 2^6840774 is an apocalyptic number.

6840774 is an abundant number, since it is smaller than the sum of its proper divisors (8487990).

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

6840774 is a wasteful number, since it uses less digits than its factorization.

6840774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42241 (or 42232 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 6840774 is about 2615.4873350869. The cubic root of 6840774 is about 189.8315589337.

The spelling of 6840774 in words is "six million, eight hundred forty thousand, seven hundred seventy-four".