5727440 has 20 divisors (see below), whose sum is σ = 13316484. Its totient is φ = 2290944.

The previous prime is 5727433. The next prime is 5727443. The reversal of 5727440 is 447275.

It can be written as a sum of positive squares in 2 ways, for example, as 2238016 + 3489424 = 1496^2 + 1868^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5727443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35717 + ... + 35876.

Almost surely, 2^5727440 is an apocalyptic number.

It is an amenable number.

5727440 is an abundant number, since it is smaller than the sum of its proper divisors (7589044).

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

5727440 is a wasteful number, since it uses less digits than its factorization.

5727440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71606 (or 71600 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 5727440 is about 2393.2070533073. The cubic root of 5727440 is about 178.9177862834.

The spelling of 5727440 in words is "five million, seven hundred twenty-seven thousand, four hundred forty".