5667440 has 20 divisors (see below), whose sum is σ = 13176984. Its totient is φ = 2266944.

The previous prime is 5667437. The next prime is 5667461. The reversal of 5667440 is 447665.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 5667397 and 5667406.

It is a congruent 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, 35342 + ... + 35501.

Almost surely, 2^5667440 is an apocalyptic number.

It is an amenable number.

5667440 is an abundant number, since it is smaller than the sum of its proper divisors (7509544).

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

5667440 is a wasteful number, since it uses less digits than its factorization.

5667440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70856 (or 70850 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 5667440 is about 2380.6385697959. The cubic root of 5667440 is about 178.2908177878.

The spelling of 5667440 in words is "five million, six hundred sixty-seven thousand, four hundred forty".