5646742 has 4 divisors (see below), whose sum is σ = 8470116. Its totient is φ = 2823370.

The previous prime is 5646691. The next prime is 5646749. The reversal of 5646742 is 2476465.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 5646698 and 5646707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646749) 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 as a sum of consecutive naturals, namely, 1411684 + ... + 1411687.

It is an arithmetic number, because the mean of its divisors is an integer number (2117529).

Almost surely, 2^5646742 is an apocalyptic number.

5646742 is a deficient number, since it is larger than the sum of its proper divisors (2823374).

5646742 is a wasteful number, since it uses less digits than its factorization.

5646742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823373.

The product of its digits is 40320, while the sum is 34.

The square root of 5646742 is about 2376.2874405257. The cubic root of 5646742 is about 178.0735083338.

The spelling of 5646742 in words is "five million, six hundred forty-six thousand, seven hundred forty-two".