47047417 has 4 divisors (see below), whose sum is σ = 47291380. Its totient is φ = 46803456.

The previous prime is 47047393. The next prime is 47047453. The reversal of 47047417 is 71474074.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28419561 + 18627856 = 5331^2 + 4316^2 .

It is a cyclic number.

It is not a de Polignac number, because 47047417 - 2¹⁹ = 46523129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47047717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121692 + ... + 122077.

It is an arithmetic number, because the mean of its divisors is an integer number (11822845).

Almost surely, 2^47047417 is an apocalyptic number.

It is an amenable number.

47047417 is a deficient number, since it is larger than the sum of its proper divisors (243963).

47047417 is a wasteful number, since it uses less digits than its factorization.

47047417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243962.

The product of its (nonzero) digits is 21952, while the sum is 34.

The square root of 47047417 is about 6859.1119687610. Note that the first 3 decimals coincide. The cubic root of 47047417 is about 361.0039287178.

It can be divided in two parts, 4704 and 7417, that added together give a palindrome (12121).

The spelling of 47047417 in words is "forty-seven million, forty-seven thousand, four hundred seventeen".