5624640 has 280 divisors, whose sum is σ = 23603712. Its totient is φ = 1244160.

The previous prime is 5624621. The next prime is 5624651. The reversal of 5624640 is 464265.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (280).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 181425 + ... + 181455.

Almost surely, 2^5624640 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 5624640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11801856).

5624640 is an abundant number, since it is smaller than the sum of its proper divisors (17979072).

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

5624640 is a wasteful number, since it uses less digits than its factorization.

5624640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 5624640 is about 2371.6323492481. The cubic root of 5624640 is about 177.8408711240.

The spelling of 5624640 in words is "five million, six hundred twenty-four thousand, six hundred forty".