6874128 has 30 divisors (see below), whose sum is σ = 19238414. Its totient is φ = 2291328.

The previous prime is 6874121. The next prime is 6874139. The reversal of 6874128 is 8214786.

It can be written as a sum of positive squares in only one way, i.e., 4210704 + 2663424 = 2052^2 + 1632^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6874092 and 6874101.

It is not an unprimeable number, because it can be changed into a prime (6874121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23725 + ... + 24012.

Almost surely, 2^6874128 is an apocalyptic number.

It is an amenable number.

6874128 is an abundant number, since it is smaller than the sum of its proper divisors (12364286).

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

6874128 is a wasteful number, since it uses less digits than its factorization.

6874128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47751 (or 47742 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 6874128 is about 2621.8558312768. The cubic root of 6874128 is about 190.1395834871.

The spelling of 6874128 in words is "six million, eight hundred seventy-four thousand, one hundred twenty-eight".