47204917 has 4 divisors (see below), whose sum is σ = 47909536. Its totient is φ = 46500300.

The previous prime is 47204891. The next prime is 47204921. The reversal of 47204917 is 71940274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47204917 - 2¹⁹ = 46680629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47204617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352209 + ... + 352342.

It is an arithmetic number, because the mean of its divisors is an integer number (11977384).

Almost surely, 2^47204917 is an apocalyptic number.

It is an amenable number.

47204917 is a deficient number, since it is larger than the sum of its proper divisors (704619).

47204917 is an equidigital number, since it uses as much as digits as its factorization.

47204917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704618.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 47204917 is about 6870.5834541180. The cubic root of 47204917 is about 361.4063226742.

The spelling of 47204917 in words is "forty-seven million, two hundred four thousand, nine hundred seventeen".