6842740 has 24 divisors (see below), whose sum is σ = 14464800. Its totient is φ = 2719008.

The previous prime is 6842729. The next prime is 6842741. The reversal of 6842740 is 472486.

6842740 = T₁₉ + T₂₀ + ... + T₃₄₄.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6842741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211 + ... + 4309.

It is an arithmetic number, because the mean of its divisors is an integer number (602700).

Almost surely, 2^6842740 is an apocalyptic number.

It is an amenable number.

6842740 is an abundant number, since it is smaller than the sum of its proper divisors (7622060).

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

6842740 is a wasteful number, since it uses less digits than its factorization.

6842740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

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

The square root of 6842740 is about 2615.8631462674. The cubic root of 6842740 is about 189.8497426995.

The spelling of 6842740 in words is "six million, eight hundred forty-two thousand, seven hundred forty".