6574428 has 54 divisors (see below), whose sum is σ = 19337136. Its totient is φ = 1877904.

The previous prime is 6574423. The next prime is 6574433. The reversal of 6574428 is 8244756.

It is an interprime number because it is at equal distance from previous prime (6574423) and next prime (6574433).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 6⁸ + 5⁹ + 7⁷ + 4⁶ + 4⁷ + 2²¹ + 8³ .

It is a junction number, because it is equal to n+sod(n) for n = 6574392 and 6574401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6574423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 100 + ... + 3627.

Almost surely, 2^6574428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6574428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9668568).

6574428 is an abundant number, since it is smaller than the sum of its proper divisors (12762708).

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

6574428 is a wasteful number, since it uses less digits than its factorization.

6574428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751 (or 3739 counting only the distinct ones).

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

The square root of 6574428 is about 2564.0647417723. The cubic root of 6574428 is about 187.3351724792.

The spelling of 6574428 in words is "six million, five hundred seventy-four thousand, four hundred twenty-eight".