6749530 has 8 divisors (see below), whose sum is σ = 12149172. Its totient is φ = 2699808.

The previous prime is 6749521. The next prime is 6749531. The reversal of 6749530 is 359476.

It can be written as a sum of positive squares in 2 ways, for example, as 6599761 + 149769 = 2569^2 + 387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6749531) 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, 337467 + ... + 337486.

Almost surely, 2^6749530 is an apocalyptic number.

6749530 is a deficient number, since it is larger than the sum of its proper divisors (5399642).

6749530 is a wasteful number, since it uses less digits than its factorization.

6749530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674960.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 6749530 is about 2597.9857582366. The cubic root of 6749530 is about 188.9837709906.

The spelling of 6749530 in words is "six million, seven hundred forty-nine thousand, five hundred thirty".