5721705 has 32 divisors (see below), whose sum is σ = 11099520. Its totient is φ = 2773440.

The previous prime is 5721697. The next prime is 5721713. The reversal of 5721705 is 5071275.

It is an interprime number because it is at equal distance from previous prime (5721697) and next prime (5721713).

It is not a de Polignac number, because 5721705 - 2³ = 5721697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (346860).

Almost surely, 2^5721705 is an apocalyptic number.

5721705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5721705 is a deficient number, since it is larger than the sum of its proper divisors (5377815).

5721705 is a wasteful number, since it uses less digits than its factorization.

5721705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 5721705 is about 2392.0085702188. The cubic root of 5721705 is about 178.8580483564.

The spelling of 5721705 in words is "five million, seven hundred twenty-one thousand, seven hundred five".