6425874 has 48 divisors (see below), whose sum is σ = 17140032. Its totient is φ = 1694304.

The previous prime is 6425869. The next prime is 6425899. The reversal of 6425874 is 4785246.

6425874 is a `hidden beast` number, since 642 + 5 + 8 + 7 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 6⁵ + 4² + 2⁸ + 5⁸ + 8⁶ + 7⁸ + 4⁴ .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (357084).

Almost surely, 2^6425874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6425874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8570016).

6425874 is an abundant number, since it is smaller than the sum of its proper divisors (10714158).

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

6425874 is a wasteful number, since it uses less digits than its factorization.

6425874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951 (or 3948 counting only the distinct ones).

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

The square root of 6425874 is about 2534.9307682854. The cubic root of 6425874 is about 185.9134179060.

The spelling of 6425874 in words is "six million, four hundred twenty-five thousand, eight hundred seventy-four".