6814074140 has 12 divisors (see below), whose sum is σ = 14309555736. Its totient is φ = 2725629648.

The previous prime is 6814074121. The next prime is 6814074143. The reversal of 6814074140 is 414704186.

It is a self number, because there is not a number n which added to its sum of digits gives 6814074140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6814074143) 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, 170351834 + ... + 170351873.

It is an arithmetic number, because the mean of its divisors is an integer number (1192462978).

Almost surely, 2^6814074140 is an apocalyptic number.

It is an amenable number.

6814074140 is an abundant number, since it is smaller than the sum of its proper divisors (7495481596).

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

6814074140 is a wasteful number, since it uses less digits than its factorization.

6814074140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340703716 (or 340703714 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 6814074140 is about 82547.4054104670. The cubic root of 6814074140 is about 1895.8426310870.

The spelling of 6814074140 in words is "six billion, eight hundred fourteen million, seventy-four thousand, one hundred forty".