5731785 has 12 divisors (see below), whose sum is σ = 9935172. Its totient is φ = 3056928.

The previous prime is 5731777. The next prime is 5731793. The reversal of 5731785 is 5871375.

5731785 is a `hidden beast` number, since 573 + 1 + 7 + 85 = 666.

It is an interprime number because it is at equal distance from previous prime (5731777) and next prime (5731793).

It can be written as a sum of positive squares in 2 ways, for example, as 1679616 + 4052169 = 1296^2 + 2013^2 .

It is not a de Polignac number, because 5731785 - 2³ = 5731777 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63642 + ... + 63731.

It is an arithmetic number, because the mean of its divisors is an integer number (827931).

Almost surely, 2^5731785 is an apocalyptic number.

It is an amenable number.

5731785 is a deficient number, since it is larger than the sum of its proper divisors (4203387).

5731785 is a wasteful number, since it uses less digits than its factorization.

5731785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127384 (or 127381 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 5731785 is about 2394.1146589084. The cubic root of 5731785 is about 178.9630188992.

The spelling of 5731785 in words is "five million, seven hundred thirty-one thousand, seven hundred eighty-five".