5207640 has 32 divisors (see below), whose sum is σ = 15623280. Its totient is φ = 1388672.

The previous prime is 5207633. The next prime is 5207677. The reversal of 5207640 is 467025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5207640.

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, 21579 + ... + 21818.

Almost surely, 2^5207640 is an apocalyptic number.

It is an amenable number.

5207640 is an abundant number, since it is smaller than the sum of its proper divisors (10415640).

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

5207640 is a wasteful number, since it uses less digits than its factorization.

5207640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43411 (or 43407 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 5207640 is about 2282.0254161600. The cubic root of 5207640 is about 173.3326265586.

The spelling of 5207640 in words is "five million, two hundred seven thousand, six hundred forty".