5725668 has 72 divisors (see below), whose sum is σ = 15404032. Its totient is φ = 1645056.

The previous prime is 5725663. The next prime is 5725679. The reversal of 5725668 is 8665275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (5725663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45021 + ... + 45147.

Almost surely, 2^5725668 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 5725668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7702016).

5725668 is an abundant number, since it is smaller than the sum of its proper divisors (9678364).

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

5725668 is a wasteful number, since it uses less digits than its factorization.

5725668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 162 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 5725668 is about 2392.8368101482. The cubic root of 5725668 is about 178.8993327207.

The spelling of 5725668 in words is "five million, seven hundred twenty-five thousand, six hundred sixty-eight".