5631768 has 48 divisors (see below), whose sum is σ = 15823080. Its totient is φ = 1876608.

The previous prime is 5631767. The next prime is 5631781. The reversal of 5631768 is 8671365.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631761) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 496 + ... + 3392.

Almost surely, 2^5631768 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 5631768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7911540).

5631768 is an abundant number, since it is smaller than the sum of its proper divisors (10191312).

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

5631768 is a wasteful number, since it uses less digits than its factorization.

5631768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918 (or 2902 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5631768 is about 2373.1346358772. The cubic root of 5631768 is about 177.9159642036.

The spelling of 5631768 in words is "five million, six hundred thirty-one thousand, seven hundred sixty-eight".