47693 has 4 divisors (see below), whose sum is σ = 49020. Its totient is φ = 46368.

The previous prime is 47681. The next prime is 47699. The reversal of 47693 is 39674.

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 40804 + 6889 = 202^2 + 83^2 .

It is a cyclic number.

It is not a de Polignac number, because 47693 - 2⁶ = 47629 is a prime.

It is a d-powerful number, because it can be written as 4² + 7² + 6⁶ + 9³ + 3⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47699) 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, 608 + ... + 681.

It is an arithmetic number, because the mean of its divisors is an integer number (12255).

2⁴⁷⁶⁹³ is an apocalyptic number.

It is an amenable number.

47693 is a deficient number, since it is larger than the sum of its proper divisors (1327).

47693 is a wasteful number, since it uses less digits than its factorization.

47693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 4536, while the sum is 29.

The square root of 47693 is about 218.3872706913. The cubic root of 47693 is about 36.2647660811.

The spelling of 47693 in words is "forty-seven thousand, six hundred ninety-three".