6532740 has 36 divisors (see below), whose sum is σ = 19816524. Its totient is φ = 1742016.

The previous prime is 6532739. The next prime is 6532763. The reversal of 6532740 is 472356.

It is a happy number.

6532740 is a `hidden beast` number, since 653 + 2 + 7 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 887364 + 5645376 = 942^2 + 2376^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 17967 + ... + 18326.

It is an arithmetic number, because the mean of its divisors is an integer number (550459).

Almost surely, 2^6532740 is an apocalyptic number.

6532740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6532740 is an abundant number, since it is smaller than the sum of its proper divisors (13283784).

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

6532740 is a wasteful number, since it uses less digits than its factorization.

6532740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36308 (or 36303 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 6532740 is about 2555.9225340374. The cubic root of 6532740 is about 186.9383727454.

The spelling of 6532740 in words is "six million, five hundred thirty-two thousand, seven hundred forty".