5637420 has 36 divisors (see below), whose sum is σ = 17100720. Its totient is φ = 1503264.

The previous prime is 5637407. The next prime is 5637427. The reversal of 5637420 is 247365.

It is a happy number.

5637420 is a `hidden beast` number, since 5 + 637 + 4 + 20 = 666.

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (5637427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15480 + ... + 15839.

It is an arithmetic number, because the mean of its divisors is an integer number (475020).

Almost surely, 2^5637420 is an apocalyptic number.

It is an amenable number.

5637420 is an abundant number, since it is smaller than the sum of its proper divisors (11463300).

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

5637420 is a wasteful number, since it uses less digits than its factorization.

5637420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31334 (or 31329 counting only the distinct ones).

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

The square root of 5637420 is about 2374.3251672844. The cubic root of 5637420 is about 177.9754626784.

The spelling of 5637420 in words is "five million, six hundred thirty-seven thousand, four hundred twenty".