5561730 has 32 divisors (see below), whose sum is σ = 14832000. Its totient is φ = 1483056.

The previous prime is 5561719. The next prime is 5561779. The reversal of 5561730 is 371655.

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

It is a junction number, because it is equal to n+sod(n) for n = 5561694 and 5561703.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10030 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (463500).

Almost surely, 2^5561730 is an apocalyptic number.

5561730 is an abundant number, since it is smaller than the sum of its proper divisors (9270270).

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

5561730 is a wasteful number, since it uses less digits than its factorization.

5561730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20615 (or 20609 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 5561730 is about 2358.3320376910. The cubic root of 5561730 is about 177.1753505009.

The spelling of 5561730 in words is "five million, five hundred sixty-one thousand, seven hundred thirty".