5657730 has 64 divisors (see below), whose sum is σ = 14878080. Its totient is φ = 1368576.

The previous prime is 5657711. The next prime is 5657731. The reversal of 5657730 is 377565.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5657691 and 5657700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34629 + ... + 34791.

It is an arithmetic number, because the mean of its divisors is an integer number (232470).

Almost surely, 2^5657730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5657730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7439040).

5657730 is an abundant number, since it is smaller than the sum of its proper divisors (9220350).

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

5657730 is a wasteful number, since it uses less digits than its factorization.

5657730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 22050, while the sum is 33.

The square root of 5657730 is about 2378.5983267462. The cubic root of 5657730 is about 178.1889379578.

The spelling of 5657730 in words is "five million, six hundred fifty-seven thousand, seven hundred thirty".