6425478 has 24 divisors (see below), whose sum is σ = 13969488. Its totient is φ = 2134512.

The previous prime is 6425467. The next prime is 6425483. The reversal of 6425478 is 8745246.

6425478 is a `hidden beast` number, since 642 + 5 + 4 + 7 + 8 = 666.

It is a d-powerful number, because it can be written as 6⁵ + 4 + 2¹⁸ + 5⁸ + 4³ + 7⁸ + 8² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8400 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (582062).

Almost surely, 2^6425478 is an apocalyptic number.

6425478 is an abundant number, since it is smaller than the sum of its proper divisors (7544010).

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

6425478 is a wasteful number, since it uses less digits than its factorization.

6425478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1225 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 6425478 is about 2534.8526584399. The cubic root of 6425478 is about 185.9095988029.

It can be divided in two parts, 6425 and 478, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6425478 in words is "six million, four hundred twenty-five thousand, four hundred seventy-eight".