5742781 has 12 divisors (see below), whose sum is σ = 6520192. Its totient is φ = 5049000.

The previous prime is 5742749. The next prime is 5742791. The reversal of 5742781 is 1872475.

It is a happy number.

It is not a de Polignac number, because 5742781 - 2⁵ = 5742749 is a prime.

It is a super-2 number, since 2×5742781² = 65959067227922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5742701) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2986 + ... + 4516.

Almost surely, 2^5742781 is an apocalyptic number.

It is an amenable number.

5742781 is a deficient number, since it is larger than the sum of its proper divisors (777411).

5742781 is a wasteful number, since it uses less digits than its factorization.

5742781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584 (or 1573 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 5742781 is about 2396.4100233474. The cubic root of 5742781 is about 179.0773881743.

The spelling of 5742781 in words is "five million, seven hundred forty-two thousand, seven hundred eighty-one".