5742981 has 10 divisors (see below), whose sum is σ = 8579142. Its totient is φ = 3828600.

The previous prime is 5742973. The next prime is 5743007. The reversal of 5742981 is 1892475.

5742981 is a `hidden beast` number, since 574 + 2 + 9 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5688225 + 54756 = 2385^2 + 234^2 .

It is not a de Polignac number, because 5742981 - 2³ = 5742973 is a prime.

It is a super-2 number, since 2×5742981² = 65963661532722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5742181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35370 + ... + 35531.

Almost surely, 2^5742981 is an apocalyptic number.

It is an amenable number.

5742981 is a deficient number, since it is larger than the sum of its proper divisors (2836161).

5742981 is an equidigital number, since it uses as much as digits as its factorization.

5742981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70913 (or 70904 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5742981 is about 2396.4517520701. The cubic root of 5742981 is about 179.0794670197.

The spelling of 5742981 in words is "five million, seven hundred forty-two thousand, nine hundred eighty-one".