5636772 has 18 divisors (see below), whose sum is σ = 14248598. Its totient is φ = 1878912.

The previous prime is 5636747. The next prime is 5636773. The reversal of 5636772 is 2776365.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 1572516 = 2016^2 + 1254^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 156577 = 5636772 / (5 + 6 + 3 + 6 + 7 + 7 + 2).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5636773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78253 + ... + 78324.

Almost surely, 2^5636772 is an apocalyptic number.

It is an amenable number.

5636772 is an abundant number, since it is smaller than the sum of its proper divisors (8611826).

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

5636772 is a wasteful number, since it uses less digits than its factorization.

5636772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156587 (or 156582 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 5636772 is about 2374.1887035364. The cubic root of 5636772 is about 177.9686432161.

The spelling of 5636772 in words is "five million, six hundred thirty-six thousand, seven hundred seventy-two".