6377945 has 16 divisors (see below), whose sum is σ = 8812800. Its totient is φ = 4340544.

The previous prime is 6377893. The next prime is 6377951. The reversal of 6377945 is 5497736.

It is a cyclic number.

It is not a de Polignac number, because 6377945 - 2⁸ = 6377689 is a prime.

It is a d-powerful number, because it can be written as 6³ + 3¹³ + 7 + 7² + 9⁷ + 4⁴ + 5³ .

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4604 + ... + 5826.

It is an arithmetic number, because the mean of its divisors is an integer number (550800).

Almost surely, 2^6377945 is an apocalyptic number.

It is an amenable number.

6377945 is a deficient number, since it is larger than the sum of its proper divisors (2434855).

6377945 is a wasteful number, since it uses less digits than its factorization.

6377945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its digits is 158760, while the sum is 41.

The square root of 6377945 is about 2525.4593641554. The cubic root of 6377945 is about 185.4500365531.

The spelling of 6377945 in words is "six million, three hundred seventy-seven thousand, nine hundred forty-five".