71473 has 2 divisors, whose sum is σ = 71474. Its totient is φ = 71472.

The previous prime is 71471. The next prime is 71479. The reversal of 71473 is 37417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69169 + 2304 = 263^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 71473 - 2¹ = 71471 is a prime.

Together with 71471, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35736 + 35737.

It is an arithmetic number, because the mean of its divisors is an integer number (35737).

2⁷¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

71473 is a deficient number, since it is larger than the sum of its proper divisors (1).

71473 is an equidigital number, since it uses as much as digits as its factorization.

71473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 22.

The square root of 71473 is about 267.3443472378. The cubic root of 71473 is about 41.4999274204.

It can be divided in two parts, 714 and 73, that added together give a palindrome (787).

The spelling of 71473 in words is "seventy-one thousand, four hundred seventy-three", and thus it is an iban number.