5731280 has 40 divisors (see below), whose sum is σ = 13761024. Its totient is φ = 2217600.

The previous prime is 5731279. The next prime is 5731283. The reversal of 5731280 is 821375.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1325 + ... + 3635.

Almost surely, 2^5731280 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 5731280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6880512).

5731280 is an abundant number, since it is smaller than the sum of its proper divisors (8029744).

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

5731280 is a wasteful number, since it uses less digits than its factorization.

5731280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 5731280 is about 2394.0091896231. The cubic root of 5731280 is about 178.9577628880.

The spelling of 5731280 in words is "five million, seven hundred thirty-one thousand, two hundred eighty".