6377643 has 8 divisors (see below), whose sum is σ = 9448400. Its totient is φ = 4251744.

The previous prime is 6377641. The next prime is 6377689. The reversal of 6377643 is 3467736.

6377643 is a `hidden beast` number, since 6 + 3 + 7 + 7 + 643 = 666.

It is not a de Polignac number, because 6377643 - 2¹ = 6377641 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 6377598 and 6377607.

It is not an unprimeable number, because it can be changed into a prime (6377641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118078 + ... + 118131.

It is an arithmetic number, because the mean of its divisors is an integer number (1181050).

Almost surely, 2^6377643 is an apocalyptic number.

6377643 is a deficient number, since it is larger than the sum of its proper divisors (3070757).

6377643 is a wasteful number, since it uses less digits than its factorization.

6377643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236218 (or 236212 counting only the distinct ones).

The product of its digits is 63504, while the sum is 36.

The square root of 6377643 is about 2525.3995723449. The cubic root of 6377643 is about 185.4471094455.

The spelling of 6377643 in words is "six million, three hundred seventy-seven thousand, six hundred forty-three".