5723440 has 40 divisors (see below), whose sum is σ = 13771440. Its totient is φ = 2209536.

The previous prime is 5723423. The next prime is 5723461. The reversal of 5723440 is 443275.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (344286).

Almost surely, 2^5723440 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 5723440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6885720).

5723440 is an abundant number, since it is smaller than the sum of its proper divisors (8048000).

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

5723440 is a wasteful number, since it uses less digits than its factorization.

5723440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 5723440 is about 2392.3712086547. The cubic root of 5723440 is about 178.8761249818.

The spelling of 5723440 in words is "five million, seven hundred twenty-three thousand, four hundred forty".