5636736 has 128 divisors (see below), whose sum is σ = 19094400. Its totient is φ = 1603584.

The previous prime is 5636731. The next prime is 5636747. The reversal of 5636736 is 6376365.

5636736 is a `hidden beast` number, since 563 + 67 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5636736.

It is not an unprimeable number, because it can be changed into a prime (5636731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24076 + ... + 24308.

It is an arithmetic number, because the mean of its divisors is an integer number (149175).

Almost surely, 2^5636736 is an apocalyptic number.

5636736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5636736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9547200).

5636736 is an abundant number, since it is smaller than the sum of its proper divisors (13457664).

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

5636736 is a wasteful number, since it uses less digits than its factorization.

5636736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 245 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 5636736 is about 2374.1811219871. The cubic root of 5636736 is about 177.9682643418.

The spelling of 5636736 in words is "five million, six hundred thirty-six thousand, seven hundred thirty-six".