6427770 has 16 divisors (see below), whose sum is σ = 15426720. Its totient is φ = 1714064.

The previous prime is 6427739. The next prime is 6427783. The reversal of 6427770 is 777246.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107100 + ... + 107159.

It is an arithmetic number, because the mean of its divisors is an integer number (964170).

Almost surely, 2^6427770 is an apocalyptic number.

6427770 is an abundant number, since it is smaller than the sum of its proper divisors (8998950).

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

6427770 is a wasteful number, since it uses less digits than its factorization.

6427770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214269.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 6427770 is about 2535.3047154139. The cubic root of 6427770 is about 185.9317011350.

The spelling of 6427770 in words is "six million, four hundred twenty-seven thousand, seven hundred seventy".