6713240 has 32 divisors (see below), whose sum is σ = 15763680. Its totient is φ = 2568192.

The previous prime is 6713221. The next prime is 6713257. The reversal of 6713240 is 423176.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (492615).

Almost surely, 2^6713240 is an apocalyptic number.

It is an amenable number.

6713240 is an abundant number, since it is smaller than the sum of its proper divisors (9050440).

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

6713240 is a wasteful number, since it uses less digits than its factorization.

6713240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331 (or 7327 counting only the distinct ones).

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

The square root of 6713240 is about 2590.9920879848. The cubic root of 6713240 is about 188.6444609763.

Subtracting from 6713240 its reverse (423176), we obtain a square (6290064 = 2508²).

The spelling of 6713240 in words is "six million, seven hundred thirteen thousand, two hundred forty".