5657742 has 16 divisors (see below), whose sum is σ = 12572880. Its totient is φ = 1885896.

The previous prime is 5657731. The next prime is 5657749. The reversal of 5657742 is 2477565.

It is a junction number, because it is equal to n+sod(n) for n = 5657697 and 5657706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657749) 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 7 ways as a sum of consecutive naturals, for example, 52333 + ... + 52440.

It is an arithmetic number, because the mean of its divisors is an integer number (785805).

Almost surely, 2^5657742 is an apocalyptic number.

5657742 is an abundant number, since it is smaller than the sum of its proper divisors (6915138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5657742 is a wasteful number, since it uses less digits than its factorization.

5657742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104784 (or 104778 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 5657742 is about 2378.6008492389. The cubic root of 5657742 is about 178.1890639368.

The spelling of 5657742 in words is "five million, six hundred fifty-seven thousand, seven hundred forty-two".