5640627 has 4 divisors (see below), whose sum is σ = 7520840. Its totient is φ = 3760416.

The previous prime is 5640623. The next prime is 5640629. The reversal of 5640627 is 7260465.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5640627 - 2² = 5640623 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5640594 and 5640603.

It is not an unprimeable number, because it can be changed into a prime (5640623) 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, 940102 + ... + 940107.

It is an arithmetic number, because the mean of its divisors is an integer number (1880210).

Almost surely, 2^5640627 is an apocalyptic number.

5640627 is a deficient number, since it is larger than the sum of its proper divisors (1880213).

5640627 is a wasteful number, since it uses less digits than its factorization.

5640627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880212.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 5640627 is about 2375.0004210526. Note that the first 3 decimals coincide. The cubic root of 5640627 is about 178.0092050115.

The spelling of 5640627 in words is "five million, six hundred forty thousand, six hundred twenty-seven".