5667728 has 20 divisors (see below), whose sum is σ = 11979888. Its totient is φ = 2576160.

The previous prime is 5667709. The next prime is 5667737. The reversal of 5667728 is 8277665.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15926 + ... + 16277.

Almost surely, 2^5667728 is an apocalyptic number.

It is an amenable number.

5667728 is an abundant number, since it is smaller than the sum of its proper divisors (6312160).

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

5667728 is a wasteful number, since it uses less digits than its factorization.

5667728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32222 (or 32216 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 5667728 is about 2380.6990569999. The cubic root of 5667728 is about 178.2938377807.

The spelling of 5667728 in words is "five million, six hundred sixty-seven thousand, seven hundred twenty-eight".