5721715 has 4 divisors (see below), whose sum is σ = 6866064. Its totient is φ = 4577368.

The previous prime is 5721713. The next prime is 5721719. The reversal of 5721715 is 5171275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5721715 - 2¹ = 5721713 is a prime.

It is a super-3 number, since 3×5721715³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

5721715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5721713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572167 + ... + 572176.

It is an arithmetic number, because the mean of its divisors is an integer number (1716516).

Almost surely, 2^5721715 is an apocalyptic number.

5721715 is a deficient number, since it is larger than the sum of its proper divisors (1144349).

5721715 is a wasteful number, since it uses less digits than its factorization.

5721715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144348.

The product of its digits is 2450, while the sum is 28.

The square root of 5721715 is about 2392.0106605114. The cubic root of 5721715 is about 178.8581525549.

The spelling of 5721715 in words is "five million, seven hundred twenty-one thousand, seven hundred fifteen".