6653740 has 12 divisors (see below), whose sum is σ = 13972896. Its totient is φ = 2661488.

The previous prime is 6653723. The next prime is 6653761. The reversal of 6653740 is 473566.

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 3 ways as a sum of consecutive naturals, for example, 166324 + ... + 166363.

It is an arithmetic number, because the mean of its divisors is an integer number (1164408).

Almost surely, 2^6653740 is an apocalyptic number.

It is an amenable number.

6653740 is an abundant number, since it is smaller than the sum of its proper divisors (7319156).

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

6653740 is a wasteful number, since it uses less digits than its factorization.

6653740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332696 (or 332694 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 6653740 is about 2579.4844446129. The cubic root of 6653740 is about 188.0854824778.

The spelling of 6653740 in words is "six million, six hundred fifty-three thousand, seven hundred forty".