5644740 has 24 divisors (see below), whose sum is σ = 15805440. Its totient is φ = 1505248.

The previous prime is 5644733. The next prime is 5644741. The reversal of 5644740 is 474465.

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 = 5644698 and 5644707.

It is not an unprimeable number, because it can be changed into a prime (5644741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46980 + ... + 47099.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 2^5644740 is an apocalyptic number.

It is an amenable number.

5644740 is an abundant number, since it is smaller than the sum of its proper divisors (10160700).

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

5644740 is a wasteful number, since it uses less digits than its factorization.

5644740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94091 (or 94089 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 5644740 is about 2375.8661578464. The cubic root of 5644740 is about 178.0524610760.

The spelling of 5644740 in words is "five million, six hundred forty-four thousand, seven hundred forty".