5664742 has 4 divisors (see below), whose sum is σ = 8497116. Its totient is φ = 2832370.

The previous prime is 5664731. The next prime is 5664779. The reversal of 5664742 is 2474665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2474665 = 5 ⋅494933.

It is a junction number, because it is equal to n+sod(n) for n = 5664698 and 5664707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416184 + ... + 1416187.

It is an arithmetic number, because the mean of its divisors is an integer number (2124279).

Almost surely, 2^5664742 is an apocalyptic number.

5664742 is a deficient number, since it is larger than the sum of its proper divisors (2832374).

5664742 is a wasteful number, since it uses less digits than its factorization.

5664742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832373.

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

The square root of 5664742 is about 2380.0718476550. The cubic root of 5664742 is about 178.2625213565.

The spelling of 5664742 in words is "five million, six hundred sixty-four thousand, seven hundred forty-two".