5615744 has 32 divisors (see below), whose sum is σ = 11359740. Its totient is φ = 2764800.

The previous prime is 5615741. The next prime is 5615747. The reversal of 5615744 is 4475165.

It is an interprime number because it is at equal distance from previous prime (5615741) and next prime (5615747).

It can be written as a sum of positive squares in 2 ways, for example, as 5345344 + 270400 = 2312^2 + 520^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5615744.

It is not an unprimeable number, because it can be changed into a prime (5615741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9044 + ... + 9644.

Almost surely, 2^5615744 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 5615744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5679870).

5615744 is an abundant number, since it is smaller than the sum of its proper divisors (5743996).

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

5615744 is an equidigital number, since it uses as much as digits as its factorization.

5615744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 676 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 5615744 is about 2369.7561055940. The cubic root of 5615744 is about 177.7470632123.

The spelling of 5615744 in words is "five million, six hundred fifteen thousand, seven hundred forty-four".