47242885 has 8 divisors (see below), whose sum is σ = 58646520. Its totient is φ = 36490944.

The previous prime is 47242879. The next prime is 47242901. The reversal of 47242885 is 58824274.

47242885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 334084 + 46908801 = 578^2 + 6849^2 .

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 47242885 - 2⁷ = 47242757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162762 + ... + 163051.

It is an arithmetic number, because the mean of its divisors is an integer number (7330815).

Almost surely, 2^47242885 is an apocalyptic number.

It is an amenable number.

47242885 is a deficient number, since it is larger than the sum of its proper divisors (11403635).

47242885 is a wasteful number, since it uses less digits than its factorization.

47242885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325847.

The product of its digits is 143360, while the sum is 40.

The square root of 47242885 is about 6873.3459828529. The cubic root of 47242885 is about 361.5031925120.

The spelling of 47242885 in words is "forty-seven million, two hundred forty-two thousand, eight hundred eighty-five".