47217434 has 8 divisors (see below), whose sum is σ = 77264928. Its totient is φ = 21462460.

The previous prime is 47217427. The next prime is 47217491. The reversal of 47217434 is 43471274.

47217434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47217434.

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 3 ways as a sum of consecutive naturals, for example, 1073102 + ... + 1073145.

It is an arithmetic number, because the mean of its divisors is an integer number (9658116).

Almost surely, 2^47217434 is an apocalyptic number.

47217434 is a deficient number, since it is larger than the sum of its proper divisors (30047494).

47217434 is a wasteful number, since it uses less digits than its factorization.

47217434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146260.

The product of its digits is 18816, while the sum is 32.

The square root of 47217434 is about 6871.4943061899. The cubic root of 47217434 is about 361.4382637193.

The spelling of 47217434 in words is "forty-seven million, two hundred seventeen thousand, four hundred thirty-four".