5720643 has 12 divisors (see below), whose sum is σ = 8285160. Its totient is φ = 3803616.

The previous prime is 5720621. The next prime is 5720657. The reversal of 5720643 is 3460275.

It is a happy number.

It is not a de Polignac number, because 5720643 - 2⁶ = 5720579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5720243) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4503 + ... + 5631.

It is an arithmetic number, because the mean of its divisors is an integer number (690430).

Almost surely, 2^5720643 is an apocalyptic number.

5720643 is a deficient number, since it is larger than the sum of its proper divisors (2564517).

5720643 is a wasteful number, since it uses less digits than its factorization.

5720643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 5720643 is about 2391.7865707458. The cubic root of 5720643 is about 178.8469817833.

The spelling of 5720643 in words is "five million, seven hundred twenty thousand, six hundred forty-three".