47217506 has 16 divisors (see below), whose sum is σ = 81120960. Its totient is φ = 20191920.

The previous prime is 47217497. The next prime is 47217553. The reversal of 47217506 is 60571274.

47217506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3440 + ... + 10308.

It is an arithmetic number, because the mean of its divisors is an integer number (5070060).

Almost surely, 2^47217506 is an apocalyptic number.

47217506 is a deficient number, since it is larger than the sum of its proper divisors (33903454).

47217506 is a wasteful number, since it uses less digits than its factorization.

47217506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7369.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 47217506 is about 6871.4995452230. The cubic root of 47217506 is about 361.4384474335.

The spelling of 47217506 in words is "forty-seven million, two hundred seventeen thousand, five hundred six".