6478770 has 16 divisors (see below), whose sum is σ = 15549120. Its totient is φ = 1727664.

The previous prime is 6478763. The next prime is 6478777. The reversal of 6478770 is 778746.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6478763) and next prime (6478777).

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (6478777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 107950 + ... + 108009.

It is an arithmetic number, because the mean of its divisors is an integer number (971820).

Almost surely, 2^6478770 is an apocalyptic number.

6478770 is an abundant number, since it is smaller than the sum of its proper divisors (9070350).

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

6478770 is a wasteful number, since it uses less digits than its factorization.

6478770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215969.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 6478770 is about 2545.3428059890. The cubic root of 6478770 is about 186.4221536355.

The spelling of 6478770 in words is "six million, four hundred seventy-eight thousand, seven hundred seventy".