6813400734 has 48 divisors (see below), whose sum is σ = 17147875680. Its totient is φ = 1914770880.

The previous prime is 6813400723. The next prime is 6813400739. The reversal of 6813400734 is 4370043186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6813400739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435549 + ... + 450920.

It is an arithmetic number, because the mean of its divisors is an integer number (357247410).

Almost surely, 2^6813400734 is an apocalyptic number.

6813400734 is an abundant number, since it is smaller than the sum of its proper divisors (10334474946).

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

6813400734 is a wasteful number, since it uses less digits than its factorization.

6813400734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886545 (or 886542 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 6813400734 is about 82543.3264049856. The cubic root of 6813400734 is about 1895.7801763384.

The spelling of 6813400734 in words is "six billion, eight hundred thirteen million, four hundred thousand, seven hundred thirty-four".