5740021 has 8 divisors (see below), whose sum is σ = 6580224. Its totient is φ = 4904880.

The previous prime is 5740001. The next prime is 5740043. The reversal of 5740021 is 1200475.

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 5740021 - 2¹¹ = 5737973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5740001) 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, 1611 + ... + 3751.

It is an arithmetic number, because the mean of its divisors is an integer number (822528).

Almost surely, 2^5740021 is an apocalyptic number.

It is an amenable number.

5740021 is a deficient number, since it is larger than the sum of its proper divisors (840203).

5740021 is a wasteful number, since it uses less digits than its factorization.

5740021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 5740021 is about 2395.8340927535. The cubic root of 5740021 is about 179.0486951774.

Adding to 5740021 its reverse (1200475), we get a palindrome (6940496).

The spelling of 5740021 in words is "five million, seven hundred forty thousand, twenty-one".