47459917 has 8 divisors (see below), whose sum is σ = 48656960. Its totient is φ = 46267200.

The previous prime is 47459911. The next prime is 47459969. The reversal of 47459917 is 71995474.

47459917 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47459917 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 (47459911) by changing a digit.

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, 38917 + ... + 40117.

It is an arithmetic number, because the mean of its divisors is an integer number (6082120).

Almost surely, 2^47459917 is an apocalyptic number.

It is an amenable number.

47459917 is a deficient number, since it is larger than the sum of its proper divisors (1197043).

47459917 is a wasteful number, since it uses less digits than its factorization.

47459917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its digits is 317520, while the sum is 46.

The square root of 47459917 is about 6889.1158358675. The cubic root of 47459917 is about 362.0559242273.

The spelling of 47459917 in words is "forty-seven million, four hundred fifty-nine thousand, nine hundred seventeen".