47447017 has 16 divisors (see below), whose sum is σ = 52538112. Its totient is φ = 42658560.

The previous prime is 47447003. The next prime is 47447039. The reversal of 47447017 is 71074474.

It is a cyclic number.

It is not a de Polignac number, because 47447017 - 2¹⁵ = 47414249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47447077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33667 + ... + 35047.

It is an arithmetic number, because the mean of its divisors is an integer number (3283632).

Almost surely, 2^47447017 is an apocalyptic number.

47447017 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

47447017 is a deficient number, since it is larger than the sum of its proper divisors (5091095).

47447017 is a wasteful number, since it uses less digits than its factorization.

47447017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488.

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

The square root of 47447017 is about 6888.1795127595. The cubic root of 47447017 is about 362.0231179848.

The spelling of 47447017 in words is "forty-seven million, four hundred forty-seven thousand, seventeen".