6478774 has 16 divisors (see below), whose sum is σ = 10328400. Its totient is φ = 3042144.

The previous prime is 6478763. The next prime is 6478777. The reversal of 6478774 is 4778746.

It is a self number, because there is not a number n which added to its sum of digits gives 6478774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478777) 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, 637 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (645525).

Almost surely, 2^6478774 is an apocalyptic number.

6478774 is a deficient number, since it is larger than the sum of its proper divisors (3849626).

6478774 is a wasteful number, since it uses less digits than its factorization.

6478774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087.

The product of its digits is 263424, while the sum is 43.

The square root of 6478774 is about 2545.3435917377. The cubic root of 6478774 is about 186.4221920013.

The spelling of 6478774 in words is "six million, four hundred seventy-eight thousand, seven hundred seventy-four".