47824345 has 4 divisors (see below), whose sum is σ = 57389220. Its totient is φ = 38259472.

The previous prime is 47824331. The next prime is 47824367. The reversal of 47824345 is 54342874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54342874 = 2 ⋅27171437.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 41332041 = 2548^2 + 6429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47824345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782430 + ... + 4782439.

It is an arithmetic number, because the mean of its divisors is an integer number (14347305).

Almost surely, 2^47824345 is an apocalyptic number.

It is an amenable number.

47824345 is a deficient number, since it is larger than the sum of its proper divisors (9564875).

47824345 is an equidigital number, since it uses as much as digits as its factorization.

47824345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9564874.

The product of its digits is 107520, while the sum is 37.

The square root of 47824345 is about 6915.5148036860. The cubic root of 47824345 is about 362.9802623676.

The spelling of 47824345 in words is "forty-seven million, eight hundred twenty-four thousand, three hundred forty-five".