6368740 has 24 divisors (see below), whose sum is σ = 15285312. Its totient is φ = 2183520.

The previous prime is 6368711. The next prime is 6368741. The reversal of 6368740 is 478636.

It is a junction number, because it is equal to n+sod(n) for n = 6368696 and 6368705.

It is not an unprimeable number, because it can be changed into a prime (6368741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22606 + ... + 22885.

It is an arithmetic number, because the mean of its divisors is an integer number (636888).

Almost surely, 2^6368740 is an apocalyptic number.

It is an amenable number.

6368740 is an abundant number, since it is smaller than the sum of its proper divisors (8916572).

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

6368740 is a wasteful number, since it uses less digits than its factorization.

6368740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45507 (or 45505 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 6368740 is about 2523.6362653917. The cubic root of 6368740 is about 185.3607763766.

The spelling of 6368740 in words is "six million, three hundred sixty-eight thousand, seven hundred forty".