24427572005 has 8 divisors (see below), whose sum is σ = 29866163832. Its totient is φ = 19173339328.

The previous prime is 24427571969. The next prime is 24427572031. The reversal of 24427572005 is 50027572442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10859515681 + 13568056324 = 104209^2 + 116482^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24427572005 - 2¹⁶ = 24427506469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24427572005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46089494 + ... + 46090023.

It is an arithmetic number, because the mean of its divisors is an integer number (3733270479).

Almost surely, 2^24427572005 is an apocalyptic number.

It is an amenable number.

24427572005 is a deficient number, since it is larger than the sum of its proper divisors (5438591827).

24427572005 is an equidigital number, since it uses as much as digits as its factorization.

24427572005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92179575.

The product of its (nonzero) digits is 156800, while the sum is 38.

The spelling of 24427572005 in words is "twenty-four billion, four hundred twenty-seven million, five hundred seventy-two thousand, five".