5637240 has 96 divisors (see below), whose sum is σ = 20947680. Its totient is φ = 1287936.

The previous prime is 5637221. The next prime is 5637263. The reversal of 5637240 is 427365.

It is a happy number.

5637240 is a `hidden beast` number, since 5 + 637 + 24 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1402 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (218205).

Almost surely, 2^5637240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5637240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10473840).

5637240 is an abundant number, since it is smaller than the sum of its proper divisors (15310440).

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

5637240 is a wasteful number, since it uses less digits than its factorization.

5637240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261 (or 2254 counting only the distinct ones).

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

The square root of 5637240 is about 2374.2872614745. The cubic root of 5637240 is about 177.9735684357.

The spelling of 5637240 in words is "five million, six hundred thirty-seven thousand, two hundred forty".