47407 has 2 divisors, whose sum is σ = 47408. Its totient is φ = 47406.
The previous prime is 47389. The next prime is 47417. The reversal of 47407 is 70474.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 47407 - 27 = 47279 is a prime.
It is a Chen prime.
It is a plaindrome in base 8.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47417) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23703 + 23704.
It is an arithmetic number, because the mean of its divisors is an integer number (23704).
247407 is an apocalyptic number.
47407 is a deficient number, since it is larger than the sum of its proper divisors (1).
47407 is an equidigital number, since it uses as much as digits as its factorization.
47407 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 784, while the sum is 22.
The square root of 47407 is about 217.7314860097. The cubic root of 47407 is about 36.1921312120.
It can be divided in two parts, 47 and 407, that added together give a palindrome (454).
The spelling of 47407 in words is "forty-seven thousand, four hundred seven", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •