5643472 has 20 divisors (see below), whose sum is σ = 10971396. Its totient is φ = 2812160.

The previous prime is 5643427. The next prime is 5643479. The reversal of 5643472 is 2743465.

It can be written as a sum of positive squares in 2 ways, for example, as 4145296 + 1498176 = 2036^2 + 1224^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5643479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7998 + ... + 8674.

Almost surely, 2^5643472 is an apocalyptic number.

It is an amenable number.

5643472 is a deficient number, since it is larger than the sum of its proper divisors (5327924).

5643472 is a wasteful number, since it uses less digits than its factorization.

5643472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206 (or 1200 counting only the distinct ones).

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

The square root of 5643472 is about 2375.5992928101. The cubic root of 5643472 is about 178.0391278710.

The spelling of 5643472 in words is "five million, six hundred forty-three thousand, four hundred seventy-two".