5625640 has 32 divisors (see below), whose sum is σ = 13403880. Its totient is φ = 2117632.

The previous prime is 5625637. The next prime is 5625649. The reversal of 5625640 is 465265.

It can be written as a sum of positive squares in 4 ways, for example, as 5447556 + 178084 = 2334^2 + 422^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5625599 and 5625608.

It is not an unprimeable number, because it can be changed into a prime (5625649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457 + ... + 4816.

Almost surely, 2^5625640 is an apocalyptic number.

It is an amenable number.

5625640 is an abundant number, since it is smaller than the sum of its proper divisors (7778240).

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

5625640 is a wasteful number, since it uses less digits than its factorization.

5625640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301 (or 8297 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 5625640 is about 2371.8431651355. The cubic root of 5625640 is about 177.8514098923.

The spelling of 5625640 in words is "five million, six hundred twenty-five thousand, six hundred forty".