6540733 has 8 divisors (see below), whose sum is σ = 7024320. Its totient is φ = 6068160.

The previous prime is 6540719. The next prime is 6540739. The reversal of 6540733 is 3370456.

6540733 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6540733 - 2¹³ = 6532541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6540739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503 + ... + 3916.

It is an arithmetic number, because the mean of its divisors is an integer number (878040).

Almost surely, 2^6540733 is an apocalyptic number.

It is an amenable number.

6540733 is a deficient number, since it is larger than the sum of its proper divisors (483587).

6540733 is a wasteful number, since it uses less digits than its factorization.

6540733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 6540733 is about 2557.4856793343. The cubic root of 6540733 is about 187.0145832088.

The spelling of 6540733 in words is "six million, five hundred forty thousand, seven hundred thirty-three".