5670840 has 128 divisors (see below), whose sum is σ = 20021760. Its totient is φ = 1257984.

The previous prime is 5670839. The next prime is 5670851. The reversal of 5670840 is 480765.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5670798 and 5670807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36042 + ... + 36198.

It is an arithmetic number, because the mean of its divisors is an integer number (156420).

Almost surely, 2^5670840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5670840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10010880).

5670840 is an abundant number, since it is smaller than the sum of its proper divisors (14350920).

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

5670840 is a wasteful number, since it uses less digits than its factorization.

5670840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 5670840 is about 2381.3525568466. The cubic root of 5670840 is about 178.3264639584.

The spelling of 5670840 in words is "five million, six hundred seventy thousand, eight hundred forty".