6470478 has 48 divisors (see below), whose sum is σ = 16230240. Its totient is φ = 1824768.

The previous prime is 6470473. The next prime is 6470491. The reversal of 6470478 is 8740746.

It is a happy number.

6470478 is a `hidden beast` number, since 647 + 0 + 4 + 7 + 8 = 666.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6470473) 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 23 ways as a sum of consecutive naturals, for example, 10926 + ... + 11502.

It is an arithmetic number, because the mean of its divisors is an integer number (338130).

Almost surely, 2^6470478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6470478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8115120).

6470478 is an abundant number, since it is smaller than the sum of its proper divisors (9759762).

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

6470478 is a wasteful number, since it uses less digits than its factorization.

6470478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 6470478 is about 2543.7134272555. The cubic root of 6470478 is about 186.3425874808.

The spelling of 6470478 in words is "six million, four hundred seventy thousand, four hundred seventy-eight".