5727321 has 8 divisors (see below), whose sum is σ = 8484960. Its totient is φ = 3818196.

The previous prime is 5727313. The next prime is 5727347. The reversal of 5727321 is 1237275.

5727321 is a `hidden beast` number, since 572 + 73 + 21 = 666.

It is not a de Polignac number, because 5727321 - 2³ = 5727313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 212123 = 5727321 / (5 + 7 + 2 + 7 + 3 + 2 + 1).

It is a d-powerful number, because it can be written as 5⁵ + 7⁶ + 2 + 7⁷ + 3¹⁴ + 2⁵ + 1 .

5727321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5727301) 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, 106035 + ... + 106088.

It is an arithmetic number, because the mean of its divisors is an integer number (1060620).

Almost surely, 2^5727321 is an apocalyptic number.

It is an amenable number.

5727321 is a deficient number, since it is larger than the sum of its proper divisors (2757639).

5727321 is a wasteful number, since it uses less digits than its factorization.

5727321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212132 (or 212126 counting only the distinct ones).

The product of its digits is 2940, while the sum is 27.

The square root of 5727321 is about 2393.1821911422. The cubic root of 5727321 is about 178.9165471397.

The spelling of 5727321 in words is "five million, seven hundred twenty-seven thousand, three hundred twenty-one".