47568609 has 45 divisors (see below), whose sum is σ = 79768065. Its totient is φ = 27312120.

The previous prime is 47568583. The next prime is 47568611. The reversal of 47568609 is 90686574.

The square root of 47568609 is 6897.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 47568609 - 2⁷ = 47568481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47568629) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 2503602 + ... + 2503620.

Almost surely, 2^47568609 is an apocalyptic number.

47568609 is the 6897-th square number.

47568609 is the 3449-th centered octagonal number.

It is an amenable number.

47568609 is a deficient number, since it is larger than the sum of its proper divisors (32199456).

47568609 is an equidigital number, since it uses as much as digits as its factorization.

47568609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 47568609 is about 362.3321052070.

The spelling of 47568609 in words is "forty-seven million, five hundred sixty-eight thousand, six hundred nine".