6840470 has 32 divisors (see below), whose sum is σ = 15156288. Its totient is φ = 2164608.

The previous prime is 6840469. The next prime is 6840473. The reversal of 6840470 is 740486.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2849 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (473634).

Almost surely, 2^6840470 is an apocalyptic number.

6840470 is an abundant number, since it is smaller than the sum of its proper divisors (8315818).

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

6840470 is a wasteful number, since it uses less digits than its factorization.

6840470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 6840470 is about 2615.4292190767. The cubic root of 6840470 is about 189.8287468908.

The spelling of 6840470 in words is "six million, eight hundred forty thousand, four hundred seventy".