5681872 has 40 divisors (see below), whose sum is σ = 12735296. Its totient is φ = 2405376.

The previous prime is 5681869. The next prime is 5681899. The reversal of 5681872 is 2781865.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10603 + ... + 11125.

Almost surely, 2^5681872 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 5681872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6367648).

5681872 is an abundant number, since it is smaller than the sum of its proper divisors (7053424).

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

5681872 is a wasteful number, since it uses less digits than its factorization.

5681872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 629 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 5681872 is about 2383.6677620843. The cubic root of 5681872 is about 178.4420272733.

The spelling of 5681872 in words is "five million, six hundred eighty-one thousand, eight hundred seventy-two".