6378476740 has 12 divisors (see below), whose sum is σ = 13394801196. Its totient is φ = 2551390688.

The previous prime is 6378476707. The next prime is 6378476747. The reversal of 6378476740 is 476748736.

It can be written as a sum of positive squares in 2 ways, for example, as 3627893824 + 2750582916 = 60232^2 + 52446^2 .

It is not an unprimeable number, because it can be changed into a prime (6378476747) 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, 159461899 + ... + 159461938.

It is an arithmetic number, because the mean of its divisors is an integer number (1116233433).

Almost surely, 2^6378476740 is an apocalyptic number.

It is an amenable number.

6378476740 is an abundant number, since it is smaller than the sum of its proper divisors (7016324456).

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

6378476740 is a wasteful number, since it uses less digits than its factorization.

6378476740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318923846 (or 318923844 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 52.

The square root of 6378476740 is about 79865.3663361034. The cubic root of 6378476740 is about 1854.5519017039.

The spelling of 6378476740 in words is "six billion, three hundred seventy-eight million, four hundred seventy-six thousand, seven hundred forty".