6724136 has 16 divisors (see below), whose sum is σ = 12635700. Its totient is φ = 3354624.

The previous prime is 6724111. The next prime is 6724139. The reversal of 6724136 is 6314276.

It can be written as a sum of positive squares in 2 ways, for example, as 6220036 + 504100 = 2494^2 + 710^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6724099 and 6724108.

It is not an unprimeable number, because it can be changed into a prime (6724139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5606 + ... + 6698.

Almost surely, 2^6724136 is an apocalyptic number.

It is an amenable number.

6724136 is a deficient number, since it is larger than the sum of its proper divisors (5911564).

6724136 is a wasteful number, since it uses less digits than its factorization.

6724136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1864 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 6724136 is about 2593.0939049714. The cubic root of 6724136 is about 188.7464663169.

The spelling of 6724136 in words is "six million, seven hundred twenty-four thousand, one hundred thirty-six".