6366740 has 12 divisors (see below), whose sum is σ = 13370196. Its totient is φ = 2546688.

The previous prime is 6366719. The next prime is 6366743. The reversal of 6366740 is 476636.

It can be written as a sum of positive squares in 2 ways, for example, as 1473796 + 4892944 = 1214^2 + 2212^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6366697 and 6366706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6366743) 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, 159149 + ... + 159188.

It is an arithmetic number, because the mean of its divisors is an integer number (1114183).

Almost surely, 2^6366740 is an apocalyptic number.

It is an amenable number.

6366740 is an abundant number, since it is smaller than the sum of its proper divisors (7003456).

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

6366740 is a wasteful number, since it uses less digits than its factorization.

6366740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318346 (or 318344 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 6366740 is about 2523.2399806598. The cubic root of 6366740 is about 185.3413711585.

The spelling of 6366740 in words is "six million, three hundred sixty-six thousand, seven hundred forty".