6734567840 has 288 divisors, whose sum is σ = 21747325824. Its totient is φ = 1937295360.

The previous prime is 6734567809. The next prime is 6734567843. The reversal of 6734567840 is 487654376.

It is not an unprimeable number, because it can be changed into a prime (6734567843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118117 + ... + 1124123.

It is an arithmetic number, because the mean of its divisors is an integer number (75511548).

Almost surely, 2^6734567840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6734567840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10873662912).

6734567840 is an abundant number, since it is smaller than the sum of its proper divisors (15012757984).

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

6734567840 is a wasteful number, since it uses less digits than its factorization.

6734567840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060 (or 6045 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 50.

The square root of 6734567840 is about 82064.4127499856. The cubic root of 6734567840 is about 1888.4402311779.

The spelling of 6734567840 in words is "six billion, seven hundred thirty-four million, five hundred sixty-seven thousand, eight hundred forty".