6600740 has 12 divisors (see below), whose sum is σ = 13861596. Its totient is φ = 2640288.

The previous prime is 6600731. The next prime is 6600757. The reversal of 6600740 is 470066.

6600740 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2696164 + 3904576 = 1642^2 + 1976^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164999 + ... + 165038.

It is an arithmetic number, because the mean of its divisors is an integer number (1155133).

Almost surely, 2^6600740 is an apocalyptic number.

It is an amenable number.

6600740 is an abundant number, since it is smaller than the sum of its proper divisors (7260856).

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

6600740 is a wasteful number, since it uses less digits than its factorization.

6600740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330046 (or 330044 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6600740 is about 2569.1905340009. The cubic root of 6600740 is about 187.5847557561.

The spelling of 6600740 in words is "six million, six hundred thousand, seven hundred forty".