5643742 has 16 divisors (see below), whose sum is σ = 9191952. Its totient is φ = 2583360.

The previous prime is 5643733. The next prime is 5643769. The reversal of 5643742 is 2473465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578 + ... + 4234.

It is an arithmetic number, because the mean of its divisors is an integer number (574497).

Almost surely, 2^5643742 is an apocalyptic number.

5643742 is a deficient number, since it is larger than the sum of its proper divisors (3548210).

5643742 is a wasteful number, since it uses less digits than its factorization.

5643742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its digits is 20160, while the sum is 31.

The square root of 5643742 is about 2375.6561198961. The cubic root of 5643742 is about 178.0419671277.

The spelling of 5643742 in words is "five million, six hundred forty-three thousand, seven hundred forty-two".