6730436 has 24 divisors (see below), whose sum is σ = 12904920. Its totient is φ = 3057152.

The previous prime is 6730391. The next prime is 6730463. The reversal of 6730436 is 6340376.

6730436 = T₂₈₁ + T₂₈₂ + ... + T₃₉₆.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 3097600 = 1906^2 + 1760^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 6730399 and 6730408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (537705).

Almost surely, 2^6730436 is an apocalyptic number.

It is an amenable number.

6730436 is a deficient number, since it is larger than the sum of its proper divisors (6174484).

6730436 is a wasteful number, since it uses less digits than its factorization.

6730436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463 (or 3461 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 6730436 is about 2594.3083856782. The cubic root of 6730436 is about 188.8053949071.

It can be divided in two parts, 67 and 30436, that added together give a palindrome (30503).

The spelling of 6730436 in words is "six million, seven hundred thirty thousand, four hundred thirty-six".