5743421 has 8 divisors (see below), whose sum is σ = 6025080. Its totient is φ = 5467392.

The previous prime is 5743417. The next prime is 5743457. The reversal of 5743421 is 1243475.

It can be written as a sum of positive squares in 4 ways, for example, as 2805625 + 2937796 = 1675^2 + 1714^2 .

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 5743421 - 2² = 5743417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5743411) 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, 761 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (753135).

Almost surely, 2^5743421 is an apocalyptic number.

It is an amenable number.

5743421 is a deficient number, since it is larger than the sum of its proper divisors (281659).

5743421 is a wasteful number, since it uses less digits than its factorization.

5743421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815.

The product of its digits is 3360, while the sum is 26.

The square root of 5743421 is about 2396.5435527025. The cubic root of 5743421 is about 179.0840403098.

Adding to 5743421 its reverse (1243475), we get a palindrome (6986896).

The spelling of 5743421 in words is "five million, seven hundred forty-three thousand, four hundred twenty-one".