47005717 has 6 divisors (see below), whose sum is σ = 51667574. Its totient is φ = 42732360.

The previous prime is 47005709. The next prime is 47005733. The reversal of 47005717 is 71750074.

It can be written as a sum of positive squares in only one way, i.e., 38763076 + 8242641 = 6226^2 + 2871^2 .

It is not a de Polignac number, because 47005717 - 2³ = 47005709 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 (47005747) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 194118 + ... + 194359.

Almost surely, 2^47005717 is an apocalyptic number.

It is an amenable number.

47005717 is a deficient number, since it is larger than the sum of its proper divisors (4661857).

47005717 is a wasteful number, since it uses less digits than its factorization.

47005717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388499 (or 388488 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 47005717 is about 6856.0715428006. The cubic root of 47005717 is about 360.8972398027.

It can be divided in two parts, 470057 and 17, that added together give a palindrome (470074).

The spelling of 47005717 in words is "forty-seven million, five thousand, seven hundred seventeen".