6740730 has 24 divisors (see below), whose sum is σ = 17526132. Its totient is φ = 1797504.

The previous prime is 6740719. The next prime is 6740737. The reversal of 6740730 is 370476.

It can be written as a sum of positive squares in 2 ways, for example, as 5461569 + 1279161 = 2337^2 + 1131^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6740694 and 6740703.

It is not an unprimeable number, because it can be changed into a prime (6740737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37359 + ... + 37538.

Almost surely, 2^6740730 is an apocalyptic number.

6740730 is an abundant number, since it is smaller than the sum of its proper divisors (10785402).

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

6740730 is a wasteful number, since it uses less digits than its factorization.

6740730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74910 (or 74907 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 6740730 is about 2596.2915860897. The cubic root of 6740730 is about 188.9016032708.

The spelling of 6740730 in words is "six million, seven hundred forty thousand, seven hundred thirty".