5671440 has 60 divisors (see below), whose sum is σ = 19049004. Its totient is φ = 1512192.

The previous prime is 5671429. The next prime is 5671451. The reversal of 5671440 is 441765.

It is an interprime number because it is at equal distance from previous prime (5671429) and next prime (5671451).

It can be written as a sum of positive squares in 2 ways, for example, as 1411344 + 4260096 = 1188^2 + 2064^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3219 + ... + 4658.

Almost surely, 2^5671440 is an apocalyptic number.

It is an amenable number.

5671440 is an abundant number, since it is smaller than the sum of its proper divisors (13377564).

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

5671440 is a wasteful number, since it uses less digits than its factorization.

5671440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896 (or 7887 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 5671440 is about 2381.4785323408. The cubic root of 5671440 is about 178.3327529799.

The spelling of 5671440 in words is "five million, six hundred seventy-one thousand, four hundred forty".