47667 has 4 divisors (see below), whose sum is σ = 63560. Its totient is φ = 31776.

The previous prime is 47659. The next prime is 47681. The reversal of 47667 is 76674.

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

It is not a de Polignac number, because 47667 - 2³ = 47659 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (47657) 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, 7942 + ... + 7947.

It is an arithmetic number, because the mean of its divisors is an integer number (15890).

2⁴⁷⁶⁶⁷ is an apocalyptic number.

47667 is a deficient number, since it is larger than the sum of its proper divisors (15893).

47667 is a wasteful number, since it uses less digits than its factorization.

47667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15892.

The product of its digits is 7056, while the sum is 30.

The square root of 47667 is about 218.3277352972. The cubic root of 47667 is about 36.2581749300.

The spelling of 47667 in words is "forty-seven thousand, six hundred sixty-seven".