5685720 has 32 divisors (see below), whose sum is σ = 17057520. Its totient is φ = 1516160.

The previous prime is 5685697. The next prime is 5685733. The reversal of 5685720 is 275865.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 23571 + ... + 23810.

Almost surely, 2^5685720 is an apocalyptic number.

It is an amenable number.

5685720 is an abundant number, since it is smaller than the sum of its proper divisors (11371800).

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

5685720 is a wasteful number, since it uses less digits than its factorization.

5685720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47395 (or 47391 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 5685720 is about 2384.4747849369. The cubic root of 5685720 is about 178.4823009701.

The spelling of 5685720 in words is "five million, six hundred eighty-five thousand, seven hundred twenty".