5645705 has 8 divisors (see below), whose sum is σ = 7296072. Its totient is φ = 4169088.

The previous prime is 5645701. The next prime is 5645711. The reversal of 5645705 is 5075465.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19321 + 5626384 = 139^2 + 2372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5645705 - 2² = 5645701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5645701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43364 + ... + 43493.

It is an arithmetic number, because the mean of its divisors is an integer number (912009).

Almost surely, 2^5645705 is an apocalyptic number.

It is an amenable number.

5645705 is a deficient number, since it is larger than the sum of its proper divisors (1650367).

5645705 is a wasteful number, since it uses less digits than its factorization.

5645705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86875.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 5645705 is about 2376.0692329981. The cubic root of 5645705 is about 178.0626068539.

The spelling of 5645705 in words is "five million, six hundred forty-five thousand, seven hundred five".