5706240 has 80 divisors (see below), whose sum is σ = 18266688. Its totient is φ = 1519616.

The previous prime is 5706221. The next prime is 5706269. The reversal of 5706240 is 426075.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×5706240² = 65122349875200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5706240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7309 + ... + 8051.

Almost surely, 2^5706240 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 5706240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9133344).

5706240 is an abundant number, since it is smaller than the sum of its proper divisors (12560448).

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

5706240 is an equidigital number, since it uses as much as digits as its factorization.

5706240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 5706240 is about 2388.7737439950. The cubic root of 5706240 is about 178.6967598626.

The spelling of 5706240 in words is "five million, seven hundred six thousand, two hundred forty".