6378750 has 140 divisors (see below), whose sum is σ = 20487192. Its totient is φ = 1458000.

The previous prime is 6378733. The next prime is 6378761. The reversal of 6378750 is 578736.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 911247 + ... + 911253.

Almost surely, 2^6378750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6378750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10243596).

6378750 is an abundant number, since it is smaller than the sum of its proper divisors (14108442).

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

6378750 is an frugal number, since it uses more digits than its factorization.

6378750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 6378750 is about 2525.6187360724. The cubic root of 6378750 is about 185.4578384914.

The spelling of 6378750 in words is "six million, three hundred seventy-eight thousand, seven hundred fifty".