5668740 has 144 divisors (see below), whose sum is σ = 21490560. Its totient is φ = 1175040.

The previous prime is 5668727. The next prime is 5668757. The reversal of 5668740 is 478665.

It is a happy number.

It is a super-2 number, since 2×5668740² = 64269226375200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 5668695 and 5668704.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 13656 + ... + 14064.

It is an arithmetic number, because the mean of its divisors is an integer number (149240).

Almost surely, 2^5668740 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 5668740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10745280).

5668740 is an abundant number, since it is smaller than the sum of its proper divisors (15821820).

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

5668740 is a wasteful number, since it uses less digits than its factorization.

5668740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 5668740 is about 2380.9115901268. The cubic root of 5668740 is about 178.3044488889.

The spelling of 5668740 in words is "five million, six hundred sixty-eight thousand, seven hundred forty".