47563717 has 4 divisors (see below), whose sum is σ = 47604780. Its totient is φ = 47522656.

The previous prime is 47563687. The next prime is 47563721. The reversal of 47563717 is 71736574.

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 25745476 + 21818241 = 5074^2 + 4671^2 .

It is a cyclic number.

It is not a de Polignac number, because 47563717 - 2⁷ = 47563589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47563717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47563727) 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, 18742 + ... + 21127.

It is an arithmetic number, because the mean of its divisors is an integer number (11901195).

Almost surely, 2^47563717 is an apocalyptic number.

It is an amenable number.

47563717 is a deficient number, since it is larger than the sum of its proper divisors (41063).

47563717 is a wasteful number, since it uses less digits than its factorization.

47563717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41062.

The product of its digits is 123480, while the sum is 40.

The square root of 47563717 is about 6896.6453439335. The cubic root of 47563717 is about 362.3196839242.

The spelling of 47563717 in words is "forty-seven million, five hundred sixty-three thousand, seven hundred seventeen".