6478716 has 24 divisors (see below), whose sum is σ = 15639120. Its totient is φ = 2084992.

The previous prime is 6478673. The next prime is 6478723. The reversal of 6478716 is 6178746.

It is a super-2 number, since 2×6478716² = 83947522017312, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 8961 + ... + 9656.

It is an arithmetic number, because the mean of its divisors is an integer number (651630).

Almost surely, 2^6478716 is an apocalyptic number.

It is an amenable number.

6478716 is an abundant number, since it is smaller than the sum of its proper divisors (9160404).

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

6478716 is a wasteful number, since it uses less digits than its factorization.

6478716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18653 (or 18651 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 6478716 is about 2545.3321983584. The cubic root of 6478716 is about 186.4216356965.

The spelling of 6478716 in words is "six million, four hundred seventy-eight thousand, seven hundred sixteen".